DB WCFX-E-R134a-50-60Hz

INTRODUCTION
The Dunham-Bush POSEIDON series WCFX-E Water Cooled Rotary Screw Flooded Chillers are
available from 60 to 1000 TR [211 to 3517 kW]. These units are supplied with rotary screw compressors
that are backed by more than 45 years of experience. The WCFX-E series are Dunham-Bush premium
chillers for commercial and industrial applications where installers, consultants and building owners
require maximum quality and optimal performances especially at part load. The WCFX-E series are
certified to AHRI Standard 550-590, meets ASHRAE Standard 90.1, and ETL listed.
TABLE OF CONTENTS
Page
Introduction ......................................................................................................................................................................................... 2
Nomenclature ....................................................................................................................................................................................... 2
Components ......................................................................................................................................................................................... 3
Standard Features .............................................................................................................................................................................. 3
Unit Features ........................................................................................................................................................................................ 5
Option And Accessories ....................................................................................................................................................................... 6
Operating Benefits .............................................................................................................................................................................. 8
Physical Specifications ....................................................................................................................................................................... 10
Sound Pressure Data ......................................................................................................................................................................... 16
Electrical Data .................................................................................................................................................................................... 17
Dimensional Data .............................................................................................................................................................................. 19
Floor Loading Diagram ....................................................................................................................................................................... 31
Typical Wiring Schematic ................................................................................................................................................................... 33
Application Data ................................................................................................................................................................................. 34
Guide Specifications ......................................................................................................................................................................... 36
NOMENCLATURE
WC F X E 10 S AU B3R A4R Q
Water-Cooled Chiller Blank =Standard

Q = Special
Flooded Evaporator
Condenser Code
Screw Compressor
Evaporator Code
Product Generation
Electrical Code
AT = 380V/3ph/50Hz
Model AU = 400V/3ph/50Hz
AK = 208V/3ph/60Hz
AN = 230V/3ph/60Hz
S = Single Compressor
AR = 460V/3ph/60Hz
T = Two Compressors
AS = 575V/3ph/60Hz
Blank= Three Compressors
CB = 380V/3ph/60Hz
-2-
COMPONENTS
Compact, quiet MSC Controller for precise

Compressors and reliable control
Economizer to Bolted construction

enhance performance for easy knockdown
Heat exchangers
with cleanable
copper tubes and
removable water
heads for easy
Vessels designed in according
serviceability
with ASME code
GENERAL CHARACTERISTICS
General D kW Input
D 40 models from 60 to 1000 TR [211 to 3517 kW] D Evaporator and Condenser Fluid Temperature
D Multiple compressors models provide unparallel D Evaporator and Condenser Pressure Drop
redundancy and reliability, with enhanced superior D Evaporator and Condenser Tube Water Velocities
part load energy efficiency D Electrical Data
D Compact footprint design is available to reduce D Part-Load Performance
required installation area
Contact our local Dunham-Bush Sales Representative
D The unit is designed to operates with R134a, the for Customized Solutions that can be offered to meet
environment friendly refrigerant with zero ODP your specific application needs.
(Ozone Depletion Potential)
D Package capacity reduction can goes down to as
low as 8.5% without Hotgas Bypass (HGBP) for Compressor(s)
multiple screw compressors models D New generation of Dunham-Bush MSC Vertical
D ETL listed for 60Hz models Screw Compressors with Unique Patented Twin
Screw compressor technology, offers efficiency
improvement, high reliability and lower sound level.
Computer Performance Ratings
D Optimized oil management with 2 integral oil
Dunham-Bush WCFX-E Chillers are available from 60 separators. Multi-layered mesh element effectively
to 1000 TR [211 to 3517 kW]. Large number of separates oil from the gas stream
combinations of heat exchangers, compressors and
motors make it impractical to publish tabular ratings for D Vertical screw design with unparallel reliability on
each combination. A chiller may be selected to match compressor lubrication; rotor bearings are
a certain building requirements by your Dunham-Bush submerged in oil that guarantees rotor lubrication
Sales Representatives using WCFX-E Computer whenever the compressor is in operation
Selection Program. Selection print out includes D Patented screw profile design which is specially
required data such as: designed for R134a application, to assure operation
D Chiller Capacity at highest efficiencies
-3-
GENERAL CHARACTERISTICS
D Optimized volume ratio, VI port position and Electronic Expansion Valve (EEV)
geometry for best efficiency
D EEV is used for precise control of liquid refrigerant
D Consistent loading and unloading with hydraulically flow into the evaporator
actuated slide valve mechanism; a rugged and
D Refrigerant liquid level in evaporator is controlled at
trouble-free design
precise level for optimum performance
D No external oil pump required
D Refrigerant in evaporator is superheated as desired
D Hermetic design eliminates casing leakage, with no before entering into compressors
requirement for internal parts service, no periodic
compressor tear down and overhaul
Economizer
D The economizer circuit consists of plate type heat
2ND OIL SEPARATOR DISCHARGE exchanger, expansion valve and solenoid valve
D Refrigerant is sub-cooled at economizer before
OIL DEFLECTOR CAP entering the evaporator; the flash refrigerant from
economizer is fed into compressor at intermediate
1ST OIL SEPARATOR pressure.
D The economizer increased cooling capacity by
MOTOR
means of the sub-cooling circuit, or 2-stage
MALE (DRIVE) ROTOR refrigerant expansion
SLIDE VALVE D Cooling capacity is increased significantly with
marginal increases in kW-input, thus, unit EER is
SUCTION improved
SUCTION CHECK
VALVE Control Panel
REPLACEABLE D Electrical enclosure fabricated by heavy gauge
SUCTION FILTER
sheet steel with powder coated baked finishing.
D Single point power connection for all models
D Circuit breaker for each compressor motor
D Direct driven design eliminates gear set; improve
D Unit mounted reduced inrush starter for compressor
efficiency and reliability
D Solid state motor protector module for compressors
D Suction and discharge service valves are provided
to each compressor for the ease of servicing D Step down transformer for control circuit
D Smaller foot print D Main power supply monitoring module provide
protection on under or over voltage, phase reversal,
phase losses and imbalance
Evaporator / Condenser
D Unit mounted Remote/Off/Local (R/O/L) selector
D Shell-and-tube type heat exchanger switch, an operation and servicing friendly feature
D Flooded type evaporator D Vision 2020i – the state-of-art Dunham-Bush
D 2-pass arrangement. 1-pass or 3-pass arrangement proactive advanced controller monitors the unit
available as option operation and maintains optimal operation of the
D Integral finned copper tubes to maximized heat unit. Vision 2020i, an intelligent controller that is
transfer area able to operate the unit with optimum efficiency at
off-design conditions. Vision 2020i adapts to any
D Cleanable and removable copper tubes for easy
abnormal operating conditions and will execute
serviceability
preventive controls and actions for safety
D Removable water heads for service protections
D Victaulic
Groove Water connection comply to
ANSI/AWWA C-606
D Evaporator comes with 1” [25mm] thick closed cell
insulation
D Standard relief valve(s) – ¾” [19mm] FPT
D Pressure test up to 220psig for refrigerant side, and
195psig for water side
D Condenser design capable for full pump down
operation
-4-
UNIT FEATURES
VISION 2020i CONTROLLER D Condenser pressure

D Compressor discharge temperature and superheat
D Current drawn by each compressor
D Compressor capacity (percentage of FLA, Full Load
Amps)
D Run hours of each compressor
D Number of starts of each compressor
D Electronic Expansion Valve (EEV) Opening
Percentage
D Compressors motor status
D Oil Level Status, Water Flow Switch Status, Remote
Start/Stop Command Status
D Trend graph of leaving chilled water temperature
Capacity Control
Vision 2020i, an advance programmable Micro Leaving chilled water temperature control is
controller designed specifically for the applications and accomplished by entering the water temperature set
precise control of Dunham-Bush Rotary Screw point and placing the controller in automatic control.
compressor chillers, WCFX-E. The unit will monitor all control function and move the
The controller is provided with a set of terminals that slide valve to the required operating position to match
connected to various devices such as temperature closely to the actual building load requirement. This will
sensors, pressure and current transducers, solenoid put the chiller operation at optimum efficiency at all
valves, control relays and etc. Required controller time, and thus, maximized the energy saving of the
boards are provided to handle different number of input chiller plant operation.
and output requirements: The compressor ramp (loading) cycle is programmable
The unit algorithm program and operating parameters and may be set for specific building requirements.
are stored in FLASH-MEMORY that does not require a Remote adjustment of the leaving chilled water set
back-up battery. The program can be loaded through point is accomplished either through High Level
PC or programming key. Interfacing (HLI) via BMS communication, or Low Level
Vision 2020i controller is equipped with a user friendly Interfacing (LLI) via an external hardwired, 4 to 20mA
DBG5 graphical touch screen color display panel. chilled water reset control signal. Remote reset of
DBG5 display terminal has dedicated touch keys that compressor current limiting function can be
provides easy access to the unit operating conditions, accomplished in a similar fashion.
control set points, trend graphs and alarm histories.
Each unit’s controller can be configured and connected System Control
to the local DBLAN network that allows multiple units
The unit may be started or stopped manually, or
sequencing control without additional hardware. The
through the use of an external signal from a Building
DBLAN is local area network made up of several
Automation System. In addition, the controller may be
chillers’ controller.
programmed with seven-day operating cycle or other
Dunham-Bush control packages may start and stop the
Display and User Terminal system through inter-connecting wiring.
Vision 2020i controller is designed to work with the
DBG5 terminal display, a 7” TFT, 65k colors, LED System Protection
backlit touch screen graphical display panel. DBG5 The following system protection controls will
terminal display allows carrying out all program automatically act to ensure system reliability:
operations. The user terminal allows displaying the unit
D Low evaporator pressure
working conditions, compressor run times, alarm history
D High condenser pressure
and modifying the parameters. The display also has an
D Freeze protection
automatically self-test of the controller at system start-
D Low suction discharge pressure differential
up. Multiple messages will be displayed, automatically
D Low compressor oil level
scrolling from each message to the next. All of these
D Compressor run error
messages are displayed in English on the display
D Power loss
terminal.
D Chilled water flow loss
Touch keys on DBG5 graphical display panel allow D Sensor error
user to access information and settings, based on D Compressor over current
security level of the password. For more detail of D Compressor Anti-recycle
Display Terminal operation, please refer to the Unit
Operation Manual. The controller can retains up to 99 alarm histories
complete with time of failure together with data
Easily accessible measurements include: stamping on critical sensor readings in an alarm
D Leaving chilled water temperature condition. This tool will aid service technicians in
D Rate of Change for leaving chilled water troubleshooting tasks enabling downtime and nuisance
temperature trip-outs to be minimized.
D Evaporator pressure
-5-
UNIT FEATURES
Remote Monitoring And Control (Option) chilled water pumps, condenser water pumps, cooling
towers, variable frequency drives (VFD), motorized
Dunham-Bush, as a leading HVAC solution provider valves, bypass modulating valves, and etc. Field
understands the current trend of focusing on chiller devices such as flow meters, BTU meters, digital power
plant performance and optimization. Several solutions meters, sensors & transducers can be interfaced with
as below are offered to the building owner to achieved CPM via HLI or LLI. CPM controls chillers, pumps and
optimized chiller plant room controls, operation and cooling towers sequencing, as well as lead-lag, duty-
performance. standby and alarm changeover operations.
NetVisorPRO – Monitoring software of CPM system
DB-LAN Master Slave Sequencing Control which allows system monitoring, historical trending, and
(MSS) alarm logging to be carry out at a PC terminal.
In a chiller system with multiple Dunham-Bush chillers, Graphical animations on system operation, temperature
Vision 2020i controller of each chiller can be connected and flow rate trend graphs, historical data and alarm
to the DB-LAN network via a communication bus history logs, settings changes are all available with
without additional controller, to enable Master-Slave NetVisorPRO.
Sequencing Control of this chiller system. MSS will Chiller plantroom control and automation by Dunham-
stage in/out chiller in operation to match building Bush CPM provides the owners with a chiller system in
required cooling capacity. Chiller Lead-lag, duty- stable operation, optimized performance and energy
standby and alarm changeover controls are come with efficiency.
MSS, as well as the chilled water pumps control. Each
MSS DB-LAN network can be connected up to 8 Building Management System (BMS)
numbers of chillers. Communication
Vision 2020i is able to communicate to BMS through an
Dunham-Bush Chiller Plant Manager (CPM) add-on communication card via various common
DB Chiller Plant Manager (CPM) is a trustworthy and protocols as:
headache-free solution for building owners and users D Modbus RTU RS485, ModBus TCPIP
on chiller plant control and automation system. CPM’s D BACnet over IP, MS/TP, or PTP
advanced controllers monitor and control equipments in D LONworks FTT 10
chiller plant such as chillers, primary and secondary
OPTIONS AND ACCESSORIES

D 1-pass Evaporator and Condenser – 1-pass D Hotgas Bypass – To maintain unit operation below
evaporator or condenser is suitable for applications minimum unloaded capacity
with low temperature different (delta T) or high fluid D Flanged Semi-hermetic Compressor – Semi
flow, where the evaporators or condensers are hermetic compressor is available on request
piped in series. D Compressor Acoustic Jacket –Compressor
D 3-pass Evaporator and Condenser – 3-pass acoustic jacket is added to further reduce sound
evaporator or condenser is suitable for applications level
with high delta T and low fluid flow D Dual Mode Operation – The unit with dual mode
D Evaporator and Condenser Flanged Connection operation can deliver chilled fluid temperature down
– Flanged connection is available on request o o
to 18 F [-7.8 C] during ice making mode. Units with
D Marine Water Box – Marine water box for Dual Mode Operation is used for Ice Thermal
condenser, for ease of condenser tube cleaning Storage System
without interfere with field water piping D Low Temp. Operation – The unit with Low Temp.
D 250 psig Evaporator and Condenser – Evaporator Operation can deliver chilled fluid temperature down
and condenser vessels with 250 psig working to 18°F[-7.8°C] for process cooling application
pressure at water side is available to suite site D ASME / PED / JKKP Compliance – Evaporator,
installation condenser and desuperheater with ASME / PED /
D Double Insulation – Evaporator with double think JKKP approval is available on request
2” [50mm] closed cell insulation, for extra resistance D Extended Warranty Period for Compressors –
to condensation Extended compressor warranty is available on
D Heat Recovery – Heat recovery cycle that reclaim request
“waste” heat from the refrigerant system to produce D Compact Footprint Series – Compact footprint
o o
hot water up to 140 F [60 C]. Two methods of heat design is available for models 19S, 20s, 23S, 24S,
recovery are available: shell-and-tube 27S, 30S, 38T, 40T, 46T, 50T, 54T, 57T, 60T, 69,
desuperheater; or double-bundle condenser 73, 77, 81, 84, 87 and 90. (Compact design
D Condenser Insulation – 1” thick closed cell increases the height and may not be able to ship in
insulation is provided to discharge piping and a container)
double-bundle condenser of heat recovery unit D CE Compliance – Unit with CE compliance is
available on request
-6-
Electrical And Controls Factory Supplied, Field Installed

D Unit Mounted Main Disconnect Switch – Non- Accessories
fused disconnect switch with external lockable D Water Flow Switch – Flow switch to be installed at
handle is furnished to isolate unit main incoming evaporator and condenser outlet piping as safety
power supply for servicing. interlock to evaporator and condenser water flow
D Soft starter For Compressor Motors – Solid State status. Three options are available: Weather tight
starter comes with bypass contactor to reduced flow switch with CE mark; NEMA 3R, and NEMA 4
mechanical stress and inrush current during rated flow switch
compressor start-up D Rubber-In-Shear Isolators – Designed for ease of
D Ground Fault Interrupt (GFI) – Provides installation. These one-piece molded rubber
equipment with ground fault protection isolators are applicable for most installations.
D Ammeter / Voltmeter – Analog ammeter and D Spring Isolators – These housed spring
voltmeter with 3 phase selector switch for indication; assemblies have a neoprene friction pad at the
located on the control panel bottom to prevent the passage of noise, and a
Refrigerant Leak Detector – A refrigerant spring locking levering bolt at the top. Neoprene
detection sensor module is connected to Vision inserts prevent contact between the steel upper and
2020i to monitor refrigerant concentration around lower housings. Suitable for more critical application
the unit. Alarm is triggered and unit is shut down as compared to rubber-in-shear isolator.
when the refrigerant concentration has exceeded D DB-LAN Master Slave Sequencing Control (MSS)
the preset safety limit. Pre-programmed at factory; field supplied and
D Chilled Water Reset / Demand Limiting – Low installed inter-connection wiring between chillers to
level interfacing with Building Automation System provide communication bus among chillers’
(BAS). Chilled Water Reset allows controlled controllers to enable Master-Slave Sequencing
temperature setpoint to be reset by a 4-20mA signal Control
from BAS; while Demand Limiting will limit the D Chiller Plant Manager (CPM) – Factory supplied
maximum current drawn by the compressors by 4- control panel; field supplied and installed
20mA signal from BAS. interconnection wiring and field devices; for
D Chilled Water Pump Control – Primary chilled complete chiller plant room automation.
water pump is controlled by chiller’s Vision 2020i
controller for enhanced safety operation
D Condenser Water Pump Control – Condenser DB DIRECTOR (For US Region Only)
water pump is controlled by chiller for enhanced
stable operation
D Condenser Water Modulating Valve Control – A
0-10Vdc control signal is output from Vision 2020i
controller to regulates the condenser water
modulating valve (field supplied) to bypass portion
of condenser water, to allow chiller operation at
lower ambient temperature
D Cooling Tower Fan Staging Control – Cooling
tower fans staging are controlled by chiller’s Vision
2020i controller based on operating condenser
pressure. This provides energy saving on cooling
tower operation, while maintaining chiller operation
at optimum performance.
D Complete Temperature Monitoring – Entering
evaporator water temperature sensor, leaving and
entering condenser water temperature sensors can DB-Director control system is offered to US region as
be included for complete temperature monitoring of an option to Vision 2020i control system.
the unit
DB-Director is a rugged microprocessor based
D IP54 Control Panel – IP54 rated control panel can controller designed for the HVAC/R applications. DB-
be supplied for harsh working environment Director provides flexibility with set points and control
D System Voltage Readout – Voltage of power options that can be selected prior to commissioning a
supply is displayed and logged at Vision 2020i system or when the unit is live and functioning.
controller Displays, alarms and other interfaces are accomplished
D GFCI Convenience Outlet (US Region Only) – in a clear and simple language that informs the user the
115Vac convenience outlet with female receptacle status of the chiller.
D BMS Communication – Various add-on DB-Director is equipped with 128 x 64 pixels
communication cards provide BMS communication monochrome graphics LCD display with 2.8" diagonal
via common protocols: Modbus RTU RS485 / viewing area, and 9 dedicated keys that enable user to
TCPIP, LONworks FTT10, BACnet over IP / MSTP / access information, base on security level of the
PTP password. The user terminal display allows easy
-7-
access to the unit working conditions, compressor run Remote Monitoring (For DB-Director)
time, alarm histories and to modify the parameters.
Multiple messages will be displayed automatically, DB-Director is equipped with RS485 and Ethernet
scrolling from each message to the next. All of these communication ports as standard. This user friendly
messages are spelled out in English language on the design allows Building Management System (BMS) to
display terminal. interface directly with the chiller via either of Modbus
RTU, Modbus IP, or BACnet IP communication
The display also has an automatically self-test of the protocol.
controller on system start-up. For more detail operation
of the DB-Director keypad, please refer to the Unit LONworks or BACnet MSTP communication protocol
operation Manual. can be established with installation of external adapter.
OPERATING BENEFITS
D Ease of troubleshooting through controller retention
EFFICIENCY & RELIABILITY of monitored functions
D Evaporators and condensers are designed with
Compressor Experience removable water heads which can be removed
D More than 45 years of rotary screw experience and easily without dismantling the chilled water piping
dedicated technological advancements. connections, for inspection and for mechanical
Compressors are CE listed tubes cleaning with brushes or auto-brush. This will
D Designed for high reliability with only two rotating enable low tube fouling factor in the evaporator and
parts. No gears to fail condenser to be assured, thus maintaining system
D Insured continuous oil flow to each compressor efficiency
through integral high efficiency oil separation for
each compressor Factory Testing
D Chillers use multiple rotary screw compressors for
D Each chiller undergoes the factory testing prior to
fail-safe reliability and redundancy unit shipment. This assures consistencies of
workmanship at highest quality
Refrigerant Compatibility D Thus, all units shipped are completely factory
D Designed to operate with environmentally safe and tested; charged and adjusted according to the
economically smart HFC-134a with proven design parameters, for ease of installation and
efficiency and reliability minimal field start-up adjustments
D Consult factory for use with new HFC refrigerants
Control Flexibility
Energy Efficiency D Controller-based with DDC (direct digital control)
D Designed to provide the highest amount of cooling features precise touch keys control over every
capacity for the least kilowatt input over the entire aspect of operation with built-in control philosophy
operating range of your building that allow extra energy savings on start-up and
D Delivers outstanding efficiency and offer greater throughout the life of your equipment
energy savings through the utilization of the D Insured uniform compressor loading and optimal
economizer energy efficiency through controller controls which
D Maximized performance through a wide range of utilize pressure transducers to measure evaporator
matched components and multiple compressors on and condenser pressure
a single refrigerant circuit D Lower energy costs resulting from automatic load
D High efficiency oil recovery system guarantees monitoring and increased accuracy and efficiency in
removal of oil carried over with the refrigerant and compressor staging
maintains the heat exchangers at their maximum D Various communication options for remote
efficiency at both full and part load monitoring of the unit operation
D Proactive control by controller that anticipates
Installation And Maintenance Ease problems and takes corrective action before they
occur. Controls will unload compressor(s) if
D Side-by-side evaporator/condenser plus snug
condenser or evaporator pressure approach limits.
arrangement of rotary screw compressors result in
This will enable unit to stay on the line while
an extremely compact work envelope
warning operator of potential problems
D Units feature optional split design to allow easy fit
D Stable and efficient operation with precise chilled
through any standard commercial doorway
water temperature control. Chilled water
D Dramatic payback in reduced maintenance and o o
temperature is controlled at ±0.8 F [0.5 C] range
overhaul costs both in down time and in labor for your comfort cooling, with best energy saving
expenditures
-8-
OPERATING BENEFITS
REFRIGERATION CYCLE This delivers outstanding efficiency and total energy

savings through the utilization of economizer cycle. Unit
Dunham-Bush WCFX-E Chillers are designed for EER is improved with economizer cycle.
efficiency and reliability. The rotary screw compressor
is a positive displacement, variable capacity
compressor that will allow operation over a wide range
of conditions. PART LOAD PERFORMANCE
Even at high condenser pressure and low capacity, a
Through the use of economizer and multiple
difficult condition for centrifugal compressors, the rotary
compressors, Dunham-Bush WCFX-E Chillers offer
screw compressor performs easily. It is impossible for
some of the best part-load performance characteristics
this positive displacement compressor to surge.
in the industry when measured in accordance with
The refrigerant management system is shown in the AHRI Standard 550/590-2011.
refrigerant cycle diagram below.
In most cases, actual building system loads are
significantly less than full load design conditions,
therefore chillers operate at part load most of the time.
Dunham-Bush WCFX-E Chillers having multiple rotary
screw compressors, economizer and advanced
controller to yield the best total energy efficiency and
significant operating savings at part loads.
When specifying air conditioning equipment, it is
important to consider the system load characteristics of
the building.
In a typical city, the air conditioning load varies
according to the changes in the ambient temperature.
Weather data compiled over the years could predict the
number of hours that equipment operate at various load
percentages.
The Air Conditioning and Refrigeration Institute (AHRI)
has established a system, under AHRI Standard
550/590-2011, for measuring total chiller performance
over full and part-load conditions. It defines the
Liquid refrigerant enters the flooded evaporator Integrated Part-Load Value (IPLV) as an excellent
uniformly where it absorbs heat from water flowing method of comparing equipment for their efficiency on
through the evaporator tubes, and vaporized. The equal basis. The IPLV is a single number that estimate
vaporized refrigerant is drawn into the compressor power consumption by chiller weighted over number of
suction port where the positive displacement hours the unit might operate at each part-load point.
compression begins. IPLV's are based on AHRI Standard Rating Conditions.
This partially compressed refrigerant gaseous is then The formula for calculating an IPLV is:
mixed with additional flash refrigerant from the
economizer in the compression camber. The
compressed gaseous refrigerant is now discharged into
1
the integral oil separator, to separate lubrication oil from
IPLV =
the gaseous refrigerant, and recovers lubrication oil 0.01 + 0.42 + 0.45 + 0.12
back to the oil sump. A B C D
The fully compressed and superheated refrigerant is
discharged into the condenser, where water in the
where: A= kW/ton at 100% load point
condenser tubes cools and condenses the refrigerant.
B= kW/ton at 75% load point
Liquid refrigerant leaves the condenser is further sub- C= kW/ton at 50% load point
cooled by the economizer. D= kW/ton at 25% load point
The gaseous refrigerant is drawn out from the
economizer and is injected into compressor through the
vapor injection port. The remaining liquid refrigerant
shall passes through the Electronic Expansion Valve
(EEV) which reduces refrigerant pressure to evaporator
levels where it is then distributed evenly into the
evaporator.
-9-
PHYSICAL SPECIFICATIONS
50Hz
Model WCFX-E 10S 12S 15S 19S* 20S* 20T 22T
Nominal Capacity TR 59.7 74.6 90.2 111.5 136.8 119.6 134.0
[kW] [210.1] [262.4] [317.3] [392.2] [481.2] [420.5] [471.4]
Nominal Power Input kW 37.4 44.3 53.1 63.9 80.6 75.0 82.2
kW/TR 0.626 0.594 0.589 0.573 0.589 0.627 0.613
Energy Efficiency
COP 5.618 5.923 5.976 6.138 5.970 5.607 5.735
Min % Unit Capacity 25% 25% 25% 25% 25% 12.5% 12.5%
Power Supply 380~415V/3Ph/50Hz
Compressor
Model(Qty.) 1210(1) 1212(1) 1215(1) 1220(1) 1222(1) 1210(2) 1210(1)/ 1212(1)
Evaporator
Model C2R C3R D2R E2R 2CR 2CR 2DR
Water Flow Rate USgpm[m³/hr] 142.6 [32.5] 178.4 [40.7] 215.0 [49.0] 266.2 [60.7] 326.5 [74.4] 284.8 [64.9] 318.0 [72.5]
Pressure Drop ft wg[kPa] 3.7 [11.2] 4.2 [12.5] 4.1 [12.2] 4.1 [12.2] 8.8 [26.2] 7.2 [21.4] 8.3 [24.7]
Design Press. Water Side psig[kPa] 150 [1034]
Connection Size inches 4 5 6 6 6 6 6
Condenser
Model B3R B4R B5R C2R E5R E5R 4AR
General Information
Length Inches[mm] 119 [3011] 124 [3160] 124 [3160] 132 [3358] 164 [4171] 156 [3972] 157 [3977]
Width Inches[mm] 44 [1125] 45 [1146] 48 [1231] 63 [1600] 63 [1600] 47 [1203] 50 [1280]
Height Inches[mm] 78 [1981] 78 [1981] 85 [2159] 76 [1930] 76 [1930] 81 [2057] 81 [2057]
Shipping Weight lbs[kg] 6,581 [2985] 6,951 [3153] 7,635 [3463] 7,981 [3620] 8,466 [3840] 7,769 [3524] 8,382 [3802]
Operating Weight lbs[kg] 6,841 [3103] 7,269 [3297] 8,016 [3636] 8,642 [3920] 9,026 [4094] 8,885 [4030] 9,151 [4151]
Approx. R134a Charge lbs[kg] 220 [100] 254 [115] 320 [145] 364 [165] 441 [200] 441 [200] 485 [220]
Model WCFX-E 23S* 24S* 24T 27S* 27T 30S* 30T

[kW] [548.8] [593.3] [525.5] [650.5] [580.8] [735.5] [631.9]
kW/TR 0.568 0.570 0.605 0.566 0.590 0.572 0.593
Energy Efficiency
COP 6.187 6.167 5.813 6.219 5.963 6.150 5.928
Min % Unit Capacity 25% 25% 12.5% 25% 12.5% 25% 12.5%
Compressor
Model(Qty.) 1222(1) 1227(1) 1212(2) 1227(1) 1212(1)/ 1215(1) 1230(1) 1215(2)
Evaporator
Model 2DR EAR EAR JAR JAR JBR JBR
Condenser
Model 4AR 5AR 5AR 5BR 5BR 5CR 5CR
General Information
Length Inches[mm] 164 [4171] 164 [4171] 152 [3862] 164 [4171] 152 [3866] 164 [4171] 152 [3866]
Width Inches[mm] 63 [1600] 63 [1600] 52 [1330] 63 [1600] 54 [1381] 63 [1600] 54 [1381]
Height Inches[mm] 76 [1930] 76 [1930] 83 [2108] 76 [1930] 88 [2235] 76 [1930] 88 [2235]
Shipping Weight lbs[kg] 8896 [4035] 10675 [4842] 8289 [3760] 11202 [5081] 8874 [4025] 11896 [5396] 9160 [4155]
Operating Weight lbs[kg] 9484 [4302] 11316 [5133] 9160 [4155] 11918 [5406] 9711 [4405] 12690 [5756] 9932 [4505]
*Optional compact footprint series is available. Unit height may be increased. Please consult factory for details.
Notes: 1. The above are rated in accordance with AHRI Standard 550/590-2011 on Superior models with following conditions:
Inlet/outlet chilled water temperature 54/44 oF; inlet/outlet cooling water temperature 85/95 oF; evaporator fouling factor 0.0001hr.ft2.oF/Btu; condenser
fouling factor 0.00025hr.ft2.oF/Btu; 2-pass evaporator and condenser
2. To consult nearest Dunham-Bush sales office for computer selections other than above operating conditions
- 10 -
50Hz
Model WCFX-E 36S 38T* 40T* 41S 46S 46T* 50T*
Nominal Capacity TR 245.6 224.5 275.6 278.8 [ 314.9 314.6 343.2
[kW] [863.7] [789.5] [969.4] 980.6] [1107.3] [1106.3] [1206.9]
kW/TR 0.554 0.564 0.560 0.553 0.551 0.553 0.553
Energy Efficiency
COP 6.351 6.236 6.278 6.363 6.378 6.365 6.355
Min % Unit Capacity 25% 12.5% 12.5% 25% 25.0% 12.5% 12.5%
Compressor
Model(Qty.) 2233(1) 1220(2) 1222(2) 2236(1) 2246(1) 1222(2) 1222(1)/ 1227(1)
Evaporator
Model 6AR 5BR 6CR 6CR 7DR 7DR 8BR
Condenser
Model K4R K3R K5R K5R L1R L1R M3R
General Information
Length Inches[mm] 174 [4425] 197 [4997] 197 [4997] 174 [4425] 174 [4425] 197 [4997] 197 [4997]
Width Inches[mm] 70 [1778] 75 [1905] 80 [2032] 70 [1778] 70 [1778] 80 [2032] 80 [2032]
Height Inches[mm] 96 [2438] 86 [2185] 86 [2185] 96 [2438] 97 [2463] 86 [2185] 88 [2235]
Model WCFX-E 54T* 57T* 60T* 69* 73T 73* 75T

[kW] [1305.8] [1397.3] [1488.6] [1671.3] [1723.1] [1771.4] [1838.5]
kW/TR 0.556 0.556 0.556 0.563 0.558 0.564 0.559
Energy Efficiency
COP 6.330 6.325 6.326 6.250 6.307 6.240 6.292
Min % Unit Capacity 12.5% 12.5% 12.5% 8.5% 12.5% 8.5% 12.5%
Compressor
Model(Qty.) 1227(2) 1227(1)/ 1230(1) 1230(2) 1222(3) 2233(2) 1222(2)/ 1227 (1) 2233(1)/ 2236(1)
Evaporator
Model 8CR 8DR KBR CER LAR CBR LBR
Connection Size inches[mm] 10 10 10 10 12 10 12
Condenser
Model M4R M5R T5R Y5R U1R Y6R U2R
Connection Size inches[mm] 10 10 10 10 10 10 10
General Information
Length Inches[mm] 197 [4997] 197 [4997] 197 [4997] 214 [5429] 207 [5251] 214 [5429] 207 [5251]
Width Inches[mm] 80 [2032] 80 [2032] 80 [2032] 86 [2184] 86 [2184] 86 [2184] 86 [2184]
Height Inches[mm] 88 [2235] 88 [2235] 92 [2337] 97 [2464] 100 [2540] 97 [2464] 100 [2540]
- 11 -
50Hz
Model WCFX-E 77* 81T 81* 84* 87T 87*
Nominal Capacity TR 532.0 558.9 560.8 585.5 593.0 610.5
[kW] [1871.1] [1,965.7] [1972.2] [2059.2] [2085.4] [2147.0]
Nominal Power Input kW 300.4 308.7 316.6 329.9 325.8 343.6
kW/TR 0.565 0.552 0.565 0.563 0.549 0.563
Energy Efficiency
COP 6.229 6.368 6.229 6.242 6.401 6.249
Min % Unit Capacity 8.5% 12.5% 8.5% 8.5% 12.5% 8.5%
Compressor
Model(Qty.) 1222(1) /1227(2) 2236(2) 1227(3) 1227(2)/ 1230(1) 2246(1)/ 2236(1) 1227(1)/ 1230(2)
Evaporator
Model CFR MAR CGR DBR DCR DCR
Water Flow Rate USgpm[m³/hr] 1268.5 [289.1] 1335.4 [304.3] 1338.6 [305.1] 1390.0 [316.8] 1,414.7 [322.4 ] 1456.4 [331.9]
Pressure Drop ft wg[kPa] 13.9 [41.5] 11.8 [35.3] 14.0 [41.8] 12.5 [37.3] 13.4 [40.0] 12.7 [38.1]
Connection Size inches 10 12 10 12 12 12
Condenser
Model Y7R JAR Z1R 1BR 1CR 1CR
Water Flow Rate USgpm[m³/hr] 1470.9 [335.2] 1547.2 [352.6] 1563.8 [356.4] 1629.8 [371.4] 1647.4 [375.4] 1699.5 [387.3]
Pressure Drop ft wg[kPa] 13.1 [39.3] 12.0 [35.9] 13.0 [38.9] 13.3 [39.7] 13.3 [ 39.8] 12.7 [38.1]
General Information
Length Inches[mm] 214 [5429] 207 [5251] 214 [5429] 214 [5429] 214 [5429] 214 [5429]
Width Inches[mm] 86 [2184] 86 [2184] 86 [2184] 86 [2184] 86[2184 ] 86 [2184]
Height Inches[mm] 97 [2464] 100 [2540] 99 [2515] 99 [2515] 100 [2540] 99 [2515]
Shipping Weight lbs[kg] 25510 [11571] 27207 [12341] 27055 [12272] 30212 [13704] 26376 [11,964 ] 31004 [14063]
Operating Weight lbs[kg] 27847 [12631] 29538 [13398] 29544 [13401] 32855 [14903] 29718 [13,480 ] 33799 [15331]
Approx. R134a Charge lbs[kg] 1380 [626] 1455 [660] 1464 [664] 1532 [695] 1601 [726] 1601 [726]
Model WCFX-E 90T 90* 108 113 118 123

[kW] [2211.8] [2228.3] [2592.9] [2715.0] [2833.0] [2959.8]
kW/TR 0.557 0.567 0.559 0.558 0.556 0.553
Energy Efficiency
COP 6.316 6.204 6.295 6.304 6.321 6.354
Compressor
Model(Qty.) 2246(2) 1230(3) 2233(3) 2233(2)/ 2236(1) 2233(1)/ 2236(2) 2236(3)
Evaporator
Model DCR DCR PAR PBR SAR SCR
Design Press. Water Side psig[kPa] 150[1034]
Connection Size inches[mm] 12 12 12 12 14 14
Condenser
Model 1CR 1CR 8CR 8BR 9AR 9BR
Design Press. Water Side psig[kPa] 150[1034]
Connection Size inches[mm] 10 10 12 12 14 14
General Information
Length Inches[mm] 214 [5429] 214 [5429] 202 [5124] 202 [5124] 202 [5124] 202 [5124]
Width Inches[mm] 86 [2184] 86 [2184] 97 [2464] 97 [2464] 100 [2540] 100 [2540]
Height Inches[mm] 100 [2540] 99 [2515] 117 [2972] 117 [2972] 125 [3175] 125 [3175]
Shipping Weight lbs[kg] 27955 [12680] 31317 [14205] 37664 [17084] 38532 [17478] 41520 [18833] 42997 [19503]
Operating Weight lbs[kg] 30750 [13948] 34110 [15472] 39921 [18108] 40845 [18527] 44011 [19963] 45576 [20673]
Approx. R134a Charge lbs[kg] 1669 [757] 1,601 [726] 2006 [910] 2011 [912] 2238 [1015] 2253 [1022]
2. To consult nearest Dunham-Bush sales office for computer selections other than above operating conditions.
- 12 -
60Hz
Model WCFX-E 10S 12S 15S 19S* 20S* 20T 22T
[kW] [249.9] [313.2] [379.7] [467.3] [576.8] [500.1] [562.9]
kW/TR 0.628 0.592 0.584 0.580 0.590 0.629 0.611
Energy Efficiency
COP 5.603 5.943 6.027 6.061 5.965 5.594 5.756
Min % Unit Capacity 25% 25% 25% 25% 25% 12.5% 12.5%
Power Supply 208~230V/3Ph/60Hz, 380V/3Ph/60Hz, 460V/3Ph/60Hz, 575V/3Ph/60Hz
Compressor
Model (Qty) 1210(1) 1212(1) 1215(1) 1220(1) 1222(1) 1210(2) 1210(1)/ 1212(1)
Evaporator
Model C3R D2R E2R FAR EAR EAR JAR
Evap. Pressure Drop ft wg[kPa] 3.7 [11.2] 3.9 [11.8] 3.6 [10.8] 4.5 [13.6] 9.1 [27.3] 7.5 [22.3] 7.8 [23.3]
Condenser
Model B4R B5R C2R D2R 5BR 5BR 5BR
Water Flow Rate USgpm[m³/hr] 201.1 [45.8] 250.0 [57.0] 302.3 [68.9] 370.6 [84.5 459.6 [104.7] 402.2 [91.7] 451.7 [102.9]
Cond. Pressure Drop ft wg[kPa] 4.5 [13.6] 5.1 [15.1] 5.4 [16.0] 5.9 [17.5] 9.3 [27.8] 7.7 [23.2] 9.8 [29.3]
General Information
Length inches[mm] 124 [3160] 124 [3160] 125 [3171] 132 [3358] 164 [4171] 152 [3862] 152 [3866]
Width inches[mm] 45 [1146] 47 [1195] 52 [1326] 70 [1778] 70 [1778] 52 [1330] 54 [1363]
Height inches[mm] 78 [1981] 81 [2057] 87 [2210] 76 [1930] 76 [1930] 83 [2108] 85 [2159]
Model WCFX-E 23S* 24S* 24T 27S* 27T 30S* 30T

[kW] [655.6] [710.3] [624.0] [775.7] [692.5] [873.9] [750.2]
kW/TR 0.566 0.572 0.609 0.565 0.589 0.575 0.597
Energy Efficiency
COP 6.208 6.144 5.778 6.221 5.975 6.115 5.889
Min % Unit Capacity 25% 25% 12.5% 25% 12.5% 25% 12.5%
Compressor
Model (Qty) 1222(1) 1227(1) 1212 (2) 1227(1) 1212(1)/1215(1) 1230(1) 1215(2)
Evaporator
Model JAR JBR JBR 6DR 6DR 6ER 6ER
Evap. Press. Drop ft wg[kPa] 9.4 [28.0] 9.8 [29.3] 8.33 [24.9] 8.6 [25.8] 7.3 [21.7] 9.6 [28.8] 7.6 [22.8]
Condenser
Model 5BR 5CR 5CR 6CR 6CR 1KR 1KR
Cond. Press. Drop ft wg[kPa] 11.6 [34.6] 10.3 [30.9] 9.1 [27.2] 11.1 [33.2] 9.6 [28.6] 10.5 [31.5] 8.6 [25.7]
General Information
Length inches[mm] 164 [4171] 164 [4171] 152 [3866] 164 [4171] 153 [3879] 164 [4171] 158 [4024]
Width inches[mm] 70 [1778] 70 [1778] 54 [1364] 70 [1778] 55[1386] 70 [1778] 56[1412]
Height inches[mm] 76 [1930] 76 [1930] 85 [2159] 78 [1980] 88 [2235] 80 [2031] 88 [2235]
- 13 -
60Hz
Model WCFX-E 36S 38T* 40T* 41S 46S 46T* 50T*
[kW] [1027.5] [950.7] [1160.9] [1167.4] [1322.4] [1319.8] [1441.4]
kW/TR 0.556 0.560 0.563 0.555 0.552 0.553 0.553
Energy Efficiency
COP 6.323 6.275 6.248 6.338 6.367 6.360 6.355
Min % Unit Capacity 25% 12.5% 12.5% 25% 25% 12.5% 12.5%
Compressor
Model (Qty) 2233(1) 1220(2) 1222(2) 2236(1) 2246(1) 1222(2) 1222(1)/ 1227(1)
Evaporator
Model 7CR 6CR 8BR 7BR 8DR 8DR KBR
Condenser
Model RAR K5R M3R M1R M5R M5R T5R
812.6 754.4 913.6 917.1 1045.4 1039.3
Water Flow Rate USgpm[m³/hr] 1137.6 [259.3]
[185.2] [171.9] [208.2] [209.0] [238.2] [236.8]
General Information
Length inches[mm] 174 [4425] 197 [4997] 197 [4997] 174 [4425] 174 [4425] 197 [4997] 197 [4997]
Width inches[mm] 70 [1778] 75 [1905] 80[2032] 70 [1778] 75 [1905] 80 [2032] 80 [2032]
Height inches[mm] 96 [2438] 86 [2185] 88 [2235] 97 [2464] 100 [2540] 88 [2235] 92 [2337]
Model WCFX-E 54T* 57T* 60T* 69* 73T 73* 75T

[kW] [1563.7] [1668.7] [1771.9] [1982.5] [2047.1] [2111.1] [2186.7]
kW/TR 0.553 0.555 0.558 0.567 0.562 0.564 0.562
Energy Efficiency
COP 6.362 6.338 6.303 6.199 6.253 6.240 6.260
Min % Unit Capacity 12.5% 12.5% 12.5% 8.5% 8.5% 12.5% 12.5%
Compressor
Model (Qty) 1227(2) 1227(1)/ 1230(1) 1230(2) 1222(3) 2233(2) 1222(2)/ 1227(1) 2233(1)/ 2236(1)
Evaporator
Model YAR YBR YCR CGR MAR DBR MBR
Condenser
Model YAR YBR YCR 1BR JAR 1CR JBR
General Information
Length inches[mm] 197 [4997] 197 [4997] 197 [4997] 214 [5429] 207 [5251] 214 [5429] 207 [5251]
Width inches[mm] 80 [2032] 80 [2032] 80 [2032] 88 [2235] 88 [2235] 88 [2235] 88 [2235]
Height inches[mm] 97 [2464] 97 [2464] 97 [2464] 95 [2413] 100 [2540] 95 [2413] 100 [2540]
- 14 -
60Hz
Model WCFX-E 77* 81T 81* 84* 87T 87*
[kW] [2229.6] [2338.4] [2346.6] [2449.0] [2480.5] [2551.5]
kW/TR 0.566 0.555 0.566 0.566 0.554 0.568
Energy Efficiency
COP 6.216 6.339 6.213 6.211 6.348 6.196
Compressor
Model (Qty) 1222(1)/ 1227(2) 2236(2) 1227(3) 1227(2)/ 1230(1) 2236(1), 2246(1) 1227(1)/ 1230(2)
Evaporator
Model DCR NAR N1R PCR PAR PAR
Evap. Press. Drop ft wg[kPa] 13.6 [40.7] 11.8 [35.2] 13.8 [41.2] 12.4 [37.2] 13.4 [40.0] 12.7 [38.1]
Condenser
Model 1CR KAR 7BR 7BR 7CR 7CR
Cond. Press. Drop ft wg[kPa] 13.4 [40.1] 11.4 [34.1] 12.4 [37.1] 13.1 [39.3] 15.7 [46.9] 13.3 [39.7]
General Information
Length inches[mm] 214 [5429] 207 [5251] 214 [5429] 214 [5429] 214 [5429] 214 [5429]
Width inches[mm] 88 [2235] 88 [2235] 88 [2235] 88 [2235] 90 [2286] 88 [2235]
Height inches[mm] 95 [2413] 100 [2540] 95 [2413] 95 [2413] 108 [2743] 95 [2413]
Operating Weight lbs[kg] 32459 [14723] 32774 [14866] 34888 [15825] 36905 [16740] 33687 [15280] 37642 [17074]
Model WCFX-E 90T 90* 108 113 118 123

[kW] [2631.5] [2649.0] [3078.1] [3221.1] [3361.6] [3507.9]
kW/TR 0.560 0.570 0.565 0.564 0.563 0.561
Energy Efficiency
COP 6.283 6.172 6.223 6.234 6.251 6.266
Compressor
Model (Qty) 2246(2) 1230(3) 2233(3) 2233(2)/ 2236(1) 2233(1)/ 2236(2) 2236(3)
Evaporator
Model PAR PAR SCR SDR TAR TBR
Evap. Press. Drop ft wg[kPa] 15.3 [45.8] 14.0 [41.9] 12.7 [38.1] 13.1 [39.1] 12.8 [38.2] 11.8 [35.2]
Condenser
Model 8AR 8AR 9AR 9BR WAR WBR
Cond. Press. Drop ft wg[kPa] 13.9 [41.5] 13.0 [38.9] 12.1 [36.3] 11.5 [34.4] 10.3 [30.9] 10.0 [29.8]
General Information
Length inches[mm] 214 [5429] 214 [5429] 202 [5124] 202 [5124] 202 [5124] 202 [5124]
Width inches[mm] 90 [2286] 88 [2235] 100 [2540] 100 [2540] 100 [2540] 100 [2540]
Height inches[mm] 112 [2840] 99 [2515] 125 [3175] 125 [3175] 129 [3277] 129 [3277]
Operating Weight lbs[kg] 36207 [16423] 38956 [17670] 44342 [20113] 45669 [20715] 50532 [22921] 52108 23636]
- 15 -
SOUND PRESSURE DATA
50Hz
Model Octave Band (Hz) Total
WCFX-E 63 125 250 500 1K 2K 4K 8K dB (A)
10S 70 55 59 67 75 72 62 53 78
12S 71 56 60 68 76 73 63 54 79
15S 71 59 63 71 79 76 66 57 81
19S 68 57 63 68 75 72 72 54 79
20S 68 57 63 68 75 72 72 54 79
20T 72 57 61 69 77 74 64 55 80
22T 73 58 62 70 78 75 65 56 81
23S 68 57 63 68 75 72 72 54 79
24S 69 59 64 68 76 73 74 56 80
24T 73 58 62 70 78 75 65 56 81
27S 69 59 64 68 76 73 74 56 80
27T 73 59 63 71 79 76 66 57 82
30S 70 61 65 69 78 75 74 59 82
30T 73 61 65 73 81 78 68 59 84
36S 71 62 66 70 79 76 75 60 83
38T 70 59 65 70 77 74 74 56 81
40T 70 59 65 70 77 74 74 56 81
41S 71 62 66 70 79 76 75 60 83
46S 73 64 68 72 81 78 77 62 85
46T 70 59 65 70 77 74 74 56 81
50T 71 60 66 70 78 75 75 57 82
54T 71 61 66 70 78 75 76 58 82
57T 72 62 67 71 79 76 76 60 83
60T 72 63 67 71 80 77 76 61 84
69 71 60 66 71 78 75 75 57 82
73T 74 65 69 73 82 79 78 63 85
73 68 58 63 67 75 72 73 55 79
75T 74 65 69 73 82 79 78 63 85
77 72 62 67 71 79 76 77 59 83
81T 74 65 69 73 82 79 78 63 85
81 72 62 67 71 79 76 77 59 84
84 73 63 68 72 80 77 77 61 84
87T 76 67 71 75 84 81 80 65 87
87 73 64 68 72 81 78 77 62 85
90T 76 67 71 75 84 81 80 65 87
90 73 64 68 72 81 78 77 62 85
108 75 66 70 74 83 80 79 64 86
113 75 66 70 74 83 80 79 64 86
118 75 66 70 74 83 80 79 64 86
123 75 66 70 74 83 80 79 64 86
60Hz
10S 70 55 59 67 75 72 62 53 78
12S 71 56 60 68 76 73 63 54 79
15S 71 59 63 71 79 76 66 57 82
19S 68 57 63 68 75 72 72 54 79
20S 68 57 63 68 75 72 72 54 79
20T 72 57 61 69 77 74 64 55 80
22T 73 58 62 70 78 75 65 56 81
23S 68 57 63 68 75 72 72 54 79
24S 69 59 64 68 76 73 74 56 80
24T 73 58 62 70 78 75 65 56 81
27S 69 59 64 68 76 73 74 56 80
27T 73 60 64 72 80 77 67 58 83
30S 70 61 65 69 78 75 74 59 81
30T 73 61 65 73 81 78 68 59 84
36S 72 63 67 71 80 77 76 61 83
38T 70 59 65 70 77 74 74 56 81
40T 70 59 65 70 77 74 74 56 81
41S 72 63 67 71 80 77 76 61 83
46S 73 64 68 72 81 78 77 62 85
46T 70 59 65 70 77 74 74 56 81
50T 71 60 66 70 78 75 75 57 82
54T 71 61 66 70 78 75 76 58 82
57T 71 62 66 70 79 76 76 60 83
60T 72 63 67 71 80 77 76 61 83
69 71 60 66 71 78 75 75 57 82
73T 74 65 69 73 82 79 78 63 85
73 72 61 67 71 79 76 76 58 83
75T 74 65 69 73 82 79 78 63 85
77 72 62 67 71 79 76 77 59 83
81T 74 65 69 73 82 79 78 63 85
81 72 62 67 71 79 76 77 59 84
84 73 63 68 72 80 77 77 61 84
87T 74 65 69 73 82 79 78 63 86
87 73 64 68 72 81 78 77 62 85
90T 75 66 70 74 83 80 79 64 86
90 73 64 68 72 81 78 77 62 85
108 75 66 70 74 83 80 79 64 86
113 75 66 70 74 83 80 79 64 86
118 75 66 70 74 83 80 79 64 86
123 75 66 70 74 83 80 79 64 86
Note: Sound Pressure Level dB(A) @ 3.3ft [1m] (free field) ± 2dBA.
- 16 -
ELECTRICAL DATA
50Hz
Unit Compressor
Model
WCFX-E Min. Circuit Inrush Amps
Power Supply Max. Fuse Size Model (Qty) RLA (Qty) LRA (Qty)
Ampacity (Qty)
10S 200 100 1210(1) 74(1) 269(1) 403(1)
12S 300 100 1212(1) 99(1) 372(1) 559(1)
15S 400 200 1215(1) 123(1) 408(1) 611(1)
19S 300 200 1220(1) 120(1) 388(1) 582(1)
20S 400 200 1222(1) 146(1) 474(1) 711(1)
20T 300 200 1210(2) 74(1)/ 74(1) 269(1)/ 269(1) 403(1)/ 403(1)
22T 400 200 1212(1)/ 1210(1) 99(1)/ 74(1) 372(1)/ 269(1) 559(1)/ 403(1)
23S 400 200 1222(1) 146(1) 474(1) 711(1)
24S 500 200 1227(1) 183(1) 584(1) 876(1)
24T 400 300 1212(2) 99(1)/ 99(1) 372(1)/ 372(1) 559(1)/ 559(1)
27S 500 200 1227(1) 183(1) 584(1) 876(1)
27T 500 300 1215(1)/ 1212(1) 123(1)/ 99(1) 408(1)/ 372(1) 611(1)/ 559(1)
30S 600 300 1230(1) 213(1) 645(1) 968(1)
30T 500 300 1215 (2) 123(1)/ 123(1) 408(1)/ 408(1) 611(1)/ 611(1)
36S 700 300 2233(1) 246(1) 874(1) 1311(1)
38T 500 300 1220(2) 119.7(2) 387.9(2) 581.8(2)
40T 600 400 1222(2) 146.3(2) 474.0(2) 711.7(2)
41S 800 400 2236(1) 294(1) 1153(1) 1730(1)
46S 800 443 2246(1) 354(1) 794(1) 2016(1)
46T 600 400 1222(2) 146(2) 474(2) 711(2)

400VAC±10%
50T 700 400 1227(1)/ 1222(1) 183(1)/ 146(1) 584(1)/ 474(1) 876(1)/ 711(1)
54T 800 500 1227(2) 183(2) 584(2) 876(2)
57T 900 500 1230(1)/ 1227(1) 213(1)/ 183(1) 645(1)/ 584(1) 968(1)/ 876(1)
60T 900 600 1230(2) 213(2) 645(2) 968(2)
69 800 600 1222(3) 146(3) 474(3) 711(3)
73 900 600 1227(1)/ 1222(2) 183(1)/ 146(2) 584(1)/ 474(2) 876(1)/ 711(2)
73T 1000 600 2233(2) 246(2) 874(2) 1311(2)
75T 1200 700 2236(1)/ 2233(1) 294(1)/ 246(1) 1153(1)/ 874(1) 1730(1)/ 1311(1)
77 1000 700 1227(2)/ 1222(1) 183(2)/ 146(1) 584(2)/ 474(1) 876(2)/ 711(1)
81 1000 700 1227(3) 183(3) 584(3) 876(3)
81T 1200 700 2236(2) 294(2) 1153(2) 1730(2)
84 1100 800 1230(1)/ 1227(2) 213(1)/ 183(2) 645(1)/ 584(2) 967(1)/ 876(2)
87T 1200 900 2246(2) 385(2) 1343(2) 2016(2)
87 1100 800 1230(2)/ 1227(1) 213(2)/ 183(1) 645(2)/ 584(1) 968(2)/ 876(1)
90T 800 649 2246(2) 288(2) 956(2) 2122(2)
90 1200 800 1230(3) 213(3) 645(3) 968(3)
108 1300 900 2233(3) 246(3) 874(3) 1311(3)
113 1400 1000 2236(1)/ 2233(2) 294(1)/ 246(2) 1153(1)/ 874(2) 1730(1)/ 1311(2)
118 1500 1000 2236(2)/ 2233(1) 294(2)/ 246(1) 1153(2)/ 874(1) 1730(2)/ 1311(1)
123 1600 1100 2236(3) 294(3) 1153(3) 1730(3)
Note: RLA – Rated Load Amps LRA – Locked Rotor Amps
- 17 -
ELECTRICAL DATA
60Hz
Unit Compressor
Model
WCFX-E Min. Circuit Inrush Amps
Power Supply Max. Fuse Size Model (Qty) RLA (Qty) LRA (Qty)
Ampacity (Qty)
10S 175 99 1210(1) 79(1) 200(1) 435(1)
12S 225 124 1212(1) 99(1) 252(1) 603(1)
15S 250 149 1215(1) 119(1) 325(1) 661(1)
19S 350 184 1220(1) 147(1) 302(1) 733(1)
20S 400 225 1222(1) 180(1) 302(1) 733(1)
20T 250 178 1210(2) 79(2) 200(2) 435(2)
22T 300 203 1210(1)/ 1212(1) 79(1)/ 99(1) 200(1)/ 252(1) 435(1)/ 603(1)
23S 400 225 1222(1) 180(1) 302(1) 733(1)
24S 450 264 1227(1) 211(1) 394(1) 904(1)
24T 300 223 1212(2) 99(2) 252(2) 603(2)
27S 450 264 1227(1) 211(1) 394(1) 904(1)
27T 350 248 1212(1)/ 1215(1) 99(1)/ 119(1) 252(1)/ 325(1) 603(1)/ 661(1)
30S 500 295 1230(1) 236(1) 476(1) 999(1)
30T 400 268 1215(2) 119(2) 325(2) 661(2)
36S 600 343 2233(1) 274(1) 610(1) 1334(1)
38T 500 331 1220(2) 147(2) 302(2) 733(2)
40T 600 405 1222(2) 180(2) 302(2) 733(2)
41S 700 393 2236(1) 314(1) 719(1) 1760(1)
46S 800 466 2246(1) 373(1) 836(1) 2122(1)
46T 600 405 1222(2) 180(2) 302(2) 733(2)

460VAC±10%
50T 700 444 1222(1)/ 1227(1) 180(1)/ 211 302(1)/ 394(1) 733(1)/ 904(1)
54T 700 475 1227(2) 211(2) 394(2) 904(2)
57T 700 506 1227(1)/ 1230(1) 211(1)/ 236(1) 394(1)/ 476(1) 904(1)/ 999(1)
60T 800 531 1230(2) 236(2) 476( 2) 999(2)
69 800 585 1222(3) 180(3) 302(3) 733(3)
73T 1000 617 2233(2) 274(2) 610(2) 1334(2)
73 800 624 1222(2)/ 1227(1) 180(2)/ 211(1) 302(2)/ 394(1) 733(2)/ 904(1)
75T 1000 667 2233(1)/ 2236(1) 274(1)/ 314(1) 610(1)/ 718(1) 1334(1)/ 1760(1)
77 800 655 1222(1)/ 1227(2) 180/ 211(2) 302(1)/ 394(2) 733/ 904(2)
81T 1000 707 2236(2) 314(2) 718(2) 1760(2)
81 1000 686 1227(3) 211(3) 394(3) 904(3)
84 1000 717 1227(2)/ 1230(1) 211(2)/ 236(1) 394(2)/ 476(1) 904(2)/ 999(1)
87T 800 634 2236(1), 2246(1) 261(1)/ 298(1) 701(1)/ 835(1) 1266(1)/ 2122(1)
87 1000 742 1227(1)/ 1230(2) 211(1)/ 236(2) 394(1)/ 476(2) 904(1)/ 999(2)
90T 1000 767 1230(3) 236(3) 476(3) 999(3)
90 1200 839 2246(2) 373(2) 836(2) 2122(2)
108 1200 891 2233(3) 274(3) 610(3) 1334(3)
113 1200 941 2233(2)/ 2236(1) 274(2)/ 314(1) 610(2)/ 718(1) 1334(2)/ 1760(1)
118 1200 981 2233(1)/ 2236(2) 274(1)/ 314(2) 610(1)/ 718(2) 1334(1)/ 1760(2)
123 1200 1021 2236(3) 314(3) 718(3) 1760(3)
Note: RLA – Rated Load Amps LRA – Locked Rotor Amps
- 18 -
Model A B C D E F G HEIGHT I J K LENGTH M WIDTH Y (Ø) Z (Ø)
WCFX-E 10S 2 1/16 [53] 11 4/16 [286] 101 15/16 [2589] 6 [153] 2 8/16 [63] 10 1/16 [256] 4 10/16 [117] 78 [1981] 23 4/16 [591] 14 12/16 [374] 12 11/16 [322] 119 [3011] 4 10/16 [118] 44 [1125] 4" 4"
WCFX-E 12S 2 1/16 [53] 17 1/16 [433] 101 14/16 [2588] 6 [153] 2 8/16 [63] 10 1/16 [256] 5 2/16 [130] 78 [1981] 23 8/16 [597] 14 12/16 [374] 13 3/16 [335] 124 [3160] 4 [102] 45 [1146] 5" 5"
WCFX-E 15S 2 1/16 [53] 17 1/16 [433] 101 14/16 [2588] 6 [153] 2 13/16 [72] 11 2/16 [282] 5 10/16 [143] 85 [2159] 24 13/16 [630] 17 4/16 [438] 14 7/16 [366] 124 [3160] 4 [102] 48 [1231] 5" 6"
Notes : 1.) All dimensions are in inches[mm].

50Hz: WCFX-E 10S, 12S, 15S
DIMENSIONAL DATA
- 19 -
2.) Above drawing is for Superior model. Consult factory for Standard and Premium model dimension.
Model A B C D E F G HEIGHT I J K LENGTH M N O P Q R S WIDTH Y (Ø) Z (Ø)
33 3/16 33 3/16 33 3/16 17 8/16 37 3/16 51 3/16 15 7/16 132 5 10/16 14 14/16 22 5/16 27 8/16 4 8/16
WCFX-E 19S* 15 [381] 76 [1930] 1 2/16 [29] 1 6/16 [35] 11/16 [17] 2 [51] 63 [1600] 6" 6"
[843] [843] [843] [445] [945] [1300] [392] [3358] [143] [378] [567] [699] [114]
40 11/16 40 11/16 40 11/16 25 58 8/16 53 8/16 21 2/16 164 5 10/16 14 13/16 19 5/16 25 4/16 4
WCFX-E 20S* 20 [508] 76 [1930] 1 2/16 [28] 1 6/16 [35] 11/16 [17] 1 12/16 [44] 63 [1600] 5" 6"
[1033] [1033] [1033] [635] [1486] [1359] [536] [4171] [143] [377] [491] [642] [102]
40 11/16 40 11/16 40 11/16 25 58 8/16 53 8/16 20 14/16 164 5 10/16 14 13/16 19 5/16 26 5/16 4 8/16
WCFX-E 23S* 20 [508] 76 [1930] 1 2/16 [28] 1 6/16 [35] 11/16 [17] 12/16 [19] 63 [1600] 6" 6"
[1033] [1033] [1033] [635] [1486] [1359] [530] [4171] [143] [377] [491] [668] [115]
40 11/16 40 11/16 40 11/16 25 58 8/16 53 8/16 21 2/16 164 5 10/16 14 13/16 20 5/16 28 9/16 5 10/16
WCFX-E 24S* 20 [508] 76 [1930] 1 2/16 [28] 1 6/16 [35] 11/16 [17] 1 4/16 [32] 63 [1600] 6" 6"
[1033] [1033] [1033] [635] [1486] [1359] [536] [4171] [143] [377] [516] [725] [143]
40 11/16 40 11/16 40 11/16 25 58 8/16 53 8/16 20 14/16 164 6 14/16 14 13/16 21 5/16 29 12/16 5 10/16
WCFX-E 27S* 20 [508] 76 [1930] 1 2/16 [28] 1 6/16 [35] 11/16 [17] 2 8/16 [64] 63 [1600] 6" 8"
[1033] [1033] [1033] [635] [1486] [1359] [530] [4171] [175] [377] [542] [756] [143]

40 11/16 40 11/16 40 11/16 25 58 8/16 53 8/16 20 14/16 164 6 14/16 14 13/16 21 5/16 29 12/16 5 10/16
WCFX-E 30S* 20 [508] 76 [1930] 1 2/16 [28] 1 6/16 [35] 11/16 [17] 2 8/16 [64] 63 [1600] 6" 8"
[1033] [1033] [1033] [635] [1486] [1359] [530] [4171] [175] [377] [542] [756] [143]
40 11/16 40 11/16 50 11/16 30 11/16 60 60 21 2/16 174 6 14/16 15 14/16 23 5/16 33 4/16 6 1/16
WCFX-E 36S 20 [508] 96 [2438] 1 2/16 [28] 1 6/16 [35] 11/16 [17] 2 2/16 [54] 70 [1778] 8" 8"
[1033] [1033] [1287] [780] [1524] [1524] [536] [4425] [175] [403] [592] [845] [154]
40 11/16 40 11/16 50 11/16 30 11/16 60 60 21 2/16 174 6 14/16 15 14/16 23 5/16 33 4/16 6 1/16
WCFX-E 41S 20 [508] 96 [2438] 1 2/16 [28] 1 6/16 [35] 11/16 [17] 2 2/16 [54] 70 [1778] 8" 8"
[1033] [1033] [1287] [780] [1524] [1524] [536] [4425] [175] [403] [592] [845] [154]
40 11/16 40 11/16 50 11/16 30 11/16 60 60 21 2/16 174 8 2/16 20 24 5/16 35 4/16 6 14/16
WCFX-E 46S 20 [508] 97 [2463] 1 2/16 [28] 1 6/16 [35] 11/16 [17] 2 [51] 70 [1778] 8" 8"
[1033] [1033] [1287] [780] [1524] [1524] [536] [4425] [206] [508] [617] [896] [175]
DIMENSIONAL DATA
- 20 -
50Hz: WCFX-E 19S*, 20S*, 23S*, 24S*, 27S*, 30S*, 36S, 41S, 46S
WCFX-E 2 [51] 17 1/16 [433] 138 [3505] 6 [152] 45 4/16 [1149] 11 2/16 [283] 5 10/16 [143] 81 [2057] 24 13/16 [630] 17 4/16 [438] 14 7/16 [367] 156 [3972] 4 [102] 47 [1203] 5" 6"
20T
WCFX-E 2 [51] 17 4/16 [438] 138 [3505] 6 [152] 48 12/16 [1238] 11 2/16 [283] 5 10/16 [143] 81 [2057] 27 10/16 [702] 17 4/16 [438] 15 7/16 [392] 157 [3977] 4 8/16 [114] 50 [1280] 6" 6"
22T
WCFX-E 2 [51] 12 8/16 [318] 138 [3505] 6 [152] 50 14/16 [1292] 12 6/16 [314] 5 10/16 [143] 83 [2108] 27 6/16 [695] 18 4/16 [464] 15 4/16 [387] 152 [3862] 5 10/16 [143] 52 [1330] 6" 6"
24T
WCFX-E 2 [51] 12 10/16 [321] 138 [3505] 6 [152] 53 11/16 [1364] 13 6/16 [340] 6 14/16 [175] 88 [2235] 29 4/16 [743] 19 3/16 [487] 15 4/16 [387] 152 [3866] 5 10/16 [143] 54 [1381] 6" 8"

27T
WCFX-E 2 [51] 12 10/16 [321] 138 [3505] 6 [152] 53 11/16 [1364] 13 6/16 [340] 6 14/16 [175] 88 [2235] 29 4/16 [743] 19 3/16 [487] 15 4/16 [387] 152 [3866] 5 10/16 [143] 54 [1381] 6" 8"
30T
DIMENSIONAL DATA
50Hz: WCFX-E 20T, 22T, 24T, 27T, 30T
- 21 -
15 60 60 45 24 68 8/16 78 8/16 86 14/16 1 14/16 21 2/16 197 1 8/16 1 2/16 6 14/16 17 8/16 23 5/16 30 12/16 6 2/16 75
WCFX-E 38T* [381] 8" 8"
[1524] [1524] [1143] [610] [1740] [1994] [2184] [22] [48] [537] [4997] [38] [29] [175] [445] [592] [781] [155] [1905]
15 60 60 45 24 68 8/16 78 8/16 86 14/16 1 14/16 21 2/16 197 1 8/16 2 2/16 6 14/16 20 24 5/16 31 12/16 6 2/16 80 8" 8"
WCFX-E 40T*
[381] [1524] [1524] [1143] [610] [1740] [1994] [2184] [22] [48] [537] [4997] [38] [54] [175] [508] [618] [806] [155] [2032]
15 55 55 55 26 64 8/16 64 8/16 86 14/16 1 14/16 18 14/16 197 1 8/16 2 8 2/16 20 25 5/16 33 12/16 6 14/16 80
WCFX-E 46T* 8" 8"
[381] [1397] [1397] [1397] [660] [1638] [1638] [2184] [22] [48] [480] [4997] [38] [51] [207] [508] [643] [858] [175] [2032]
15 55 55 55 26 64 8/16 64 8/16 88 14/16 1 14/16 18 14/16 197 1 8/16 2 8 2/16 20 26 5/16 35 13/16 6 14/16 80
WCFX-E 50T* 10" 10"
[381] [1397] [1397] [1397] [660] [1638] [1638] [2210] [22] [48] [480] [4997] [38] [51] [207] [508] [669] [909] [175] [2032]
15 55 55 55 26 64 8/16 64 8/16 88 14/16 1 14/16 18 14/16 197 1 8/16 2 8 2/16 20 26 5/16 35 13/16 6 14/16 80
WCFX-E 54T* 10" 10"
[381] [1397] [1397] [1397] [660] [1638] [1638] [2210] [22] [48] [480] [4997] [38] [51] [207] [508] [669] [909] [175] [2032]
15 55 55 55 26 64 8/16 64 8/16 88 14/16 1 14/16 18 14/16 197 1 8/16 2 8 2/16 20 26 5/16 35 13/16 6 14/16 80
WCFX-E 57T* 10" 10"
[381] [1397] [1397] [1397] [660] [1638] [1638] [2235] [22] [48] [480] [4997] [38] [51] [207] [508] [669] [909] [175] [2032]
15 55 55 55 26 64 8/16 64 8/16 92 14/16 1 14/16 18 14/16 197 1 8/16 3 8 14/16 20 27 5/16 36 12/16 6 14/16 80
WCFX-E 60T* [175] 10" 10"
[381] [1397] [1397] [1397] [660] [1638] [1638] [2337] [22] [48] [480] [4997] [38] [76] [225] [508] [694] [934] [2032]
15 53 11/16 60 11/16 60 11/16 25 74 81 100 14/16 1 14/16 20 10/16 207 1 8/16 3 14/16 9 12/16 23 28 5/16 39 11/16 7 6/16 86

WCFX-E 73T 10" 12"
[381] [1363] [1541] [1541] [635] [1880] [2057] [2540] [22] [48] [524] [5251] [38] [99] [248] [584] [719] [1008] [187] [2184]
15 53 11/16 60 11/16 60 11/16 25 74 81 100 14/16 1 14/16 20 10/16 207 1 8/16 3 14/16 9 12/16 23 28 5/16 39 11/16 7 6/16 86
WCFX-E 75T 10" 12"
[381] [1363] [1541] [1541] [635] [1880] [2057] [2540] [22] [48] [524] [5251] [38] [99] [248] [584] [719] [1008] [187] [2184]
15 53 11/16 60 11/16 60 11/16 25 74 81 100 14/16 1 14/16 20 10/16 207 1 8/16 3 4/16 10 3/16 24 8/16 29 5/16 40 13/16 8 86
WCFX-E 81T 12" 12"
[381] [1363] [1541] [1541] [635] [1880] [2057] [2540] [22] [48] [524] [5251] [38] [83] [258] [622] [745] [1037] [203] [2184]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 100 14/16 1 14/16 20 14/16 214 1 8/16 3 12/16 10 3/16 23 29 5/16 40 13/16 8 2/16 86
WCFX-E 87T 10" 12"
[381] [1541] [1541] [1541] [635] [2290] [1826] [2540] [22] [48] [530] [5429] [38] [95] [258] [584] [745] [1037] [206] [2184]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 100 14/16 1 14/16 20 14/16 214 1 8/16 3 12/16 10 3/16 23 29 5/16 40 13/16 8 2/16 86
WCFX-E 90T 10" 12"
[381] [1541] [1541] [1541] [635] [2290] [1826] [2540] [22] [48] [530] [5429] [38] [95] [258] [584] [745] [1037] [206] [2184]
DIMENSIONAL DATA
- 22 -
50Hz: WCFX-E 38T*, 40T*, 46T*, 50T*, 54T*, 57T*, 60T*, 73T, 75T, 81T, 87T, 90T
WCFX-E 69* 15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 97 14/16 1 14/16 20 14/16 214 1 8/16 3 14/16 8 14/16 23 28 5/16 39 11/16 7 6/16 86
10" 10"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2464] [22] [48] [530] [5429] [38] [99] [225] [584] [719] [1008] [187] [2184]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 97 14/16 1 14/16 20 14/16 214 1 8/16 3 14/16 8 14/16 23 28 5/16 39 11/16 7 6/16 86
WCFX-E 73* 10" 10"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2464] [22] [48] [530] [5429] [38] [99] [225] [584] [719] [1008] [187] [2184]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 97 14/16 1 14/16 20 14/16 214 1 8/16 3 14/16 8 14/16 23 28 5/16 39 11/16 7 6/16 86
WCFX-E 77* 10" 10"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2464] [22] [48] [530] [5429] [38] [99] [225] [584] [719] [1008] [187] [2184]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 99 14/16 1 14/16 20 14/16 214 1 8/16 2 15/16 8 14/16 23 28 5/16 38 3/16 8 2/16 86
WCFX-E81* 10" 10"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2515] [22] [48] [530] [5429] [38] [74] [225] [584] [719] [970] [206] [2184]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 99 14/16 1 14/16 20 14/16 214 1 8/16 3 12/16 10 3/16 23 29 5/16 41 9/16 8 2/16 86
WCFX-E 84* [381] [1541] [1541] [1541] [635] [2291] [1826] [2515] [22] [48] [530] [38] [95] [258] [584] [745] [1056] [207] [2184] 10" 12"
[5429]

15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 99 14/16 1 14/16 20 14/16 214 1 8/16 3 12/16 10 3/16 23 29 5/16 41 9/16 8 2/16 86
WCFX-E 87* 10" 12"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2515] [22] [48] [530] [5429] [38] [95] [258] [584] [745] [1056] [207] [2184]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 99 14/16 1 14/16 20 14/16 214 1 8/16 3 12/16 10 3/16 23 29 5/16 41 9/16 8 2/16 86
WCFX-E 90* 10" 12"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2515] [22] [48] [530] [5429] [38] [95] [258] [584] [745] [1056] [207] [2184]
DIMENSIONAL DATA
- 23 -
50Hz: WCFX-E 69*, 73*, 77*, 81*, 84*, 87*, 90*
Notes :
Model A B C E F G HEIGHT I J K LENGTH M N O Q R S WIDTH Y (Ø) Z (Ø)
29 71 71 25 76 74 117 14/16 1 14/16 17 14/16 202 1 8/16 3 6/16 10 3/16 32 5/16 44 12/16 9 12/16 97
WCFX-E 108 12" 12"
[737] [1803] [1803] [635] [1930] [1880] [2972] [22] [48] [454] [5124] [38] [85] [259] [821] [1137] [248] [2464]
29 71 71 25 76 74 117 14/16 1 14/16 17 14/16 202 1 8/16 3 6/16 10 3/16 32 5/16 44 12/16 9 12/16 97
WCFX-E 113 12" 12"
[737] [1803] [1803] [635] [1930] [1880] [2972] [22] [48] [454] [5124] [38] [85] [259] [821] [1137] [248] [2464]
29 71 71 25 76 74 125 14/16 1 14/16 17 14/16 202 1 8/16 3 11/16 10 12/16 34 5/16 48 14/16 10 10/16 100
WCFX-E 118 [737] [1803] [1803] [635] [1930] [1880] [3175] [22] [48] [454] [5124] [38] [94] [273] [872] [1241] [270] [2540] 14" 14"
1.) All dimensions are in inches[mm].

29 71 71 25 76 74 125 14/16 1 14/16 17 14/16 202 1 8/16 3 11/16 10 12/16 34 5/16 48 14/16 10 10/16 100
WCFX-E 123 14" 14"
[737] [1803] [1803] [635] [1930] [1880] [3175] [22] [48] [454] [5124] [38] [94] [273] [872] [1241] [270] [2540]
50Hz: WCFX-E 108, 113, 118, 123
DIMENSIONAL DATA
- 24 -
2 1/16 17 1/16 101 14/16 6 2 8/16 10 1/16 5 2/16 78 23 8/16 14 12/16 13 3/16 124 4 45
WCFX-E 10S 5" 5"
[53] [433] [2588] [153] [63] [256] [130] [1981] [597] [374] [335] [3160] [102] [1146]
2 1/16 17 1/16 101 14/16 6 1 7/16 11 2/16 5 10/16 81 24 13/16 17 4/16 14 7/16 124 4 47
WCFX-E 12S 5" 6"
[53] [433] [2588] [153] [37] [282] [143] [2057] [630] [438] [366] [3160] [102] [1195]
2 1/16 17 4/16 101 14/16 6 1 9/16 12 6/16 5 10/16 87 28 2/16 18 3/16 15 7/16 125 4 8/16 52
WCFX-E 15S 6" 6"
[53] [438] [2588] [153] [39] [315] [143] [2210] [715] [462] [392] [3171] [115] [1326]

60Hz: WCFX-E 10S, 12S, 15S
DIMENSIONAL DATA
- 25 -
15 33 3/16 33 3/16 33 3/16 17 8/16 37 13/16 51 3/16 76 1 2/16 1 6/16 20 14/16 132 11/16 2 8/16 6 14/16 15 14/16 21 5/16 29 12/16 5 10/16 70 6" 8"
WCFX-E 19S*
[381] [843] [843] [843] [445] [960] [1300] [1930] [29] [35] [530] [3358] [17] [64] [175] [403] [541] [756] [143] [1778]
20 40 11/16 40 11/16 40 11/16 25 58 8/16 53 8/16 76 1 2/16 1 6/16 20 14/16 164 11/16 1 4/16 5 10/16 15 14/16 20 5/16 28 9/16 5 10/16 70 6" 6"
WCFX-E 20S*
[508] [1033] [1033] [1033] [635] [1486] [1359] [1930] [28] [35] [530] [4171] [17] [32] [143] [403] [516] [725] [143] [1778]
20 40 11/16 40 11/16 40 11/16 25 58 8/16 53 8/16 76 1 2/16 1 6/16 20 14/16 164 11/16 2 8/16 6 14/16 15 14/16 21 5/16 29 12/16 5 10/16 70 6" 8"
WCFX-E 23S*
[508] [1033] [1033] [1033] [635] [1486] [1359] [1930] [28] [35] [530] [4171] [17] [64] [175] [403] [542] [756] [143] [1778]
20 40 11/16 40 11/16 40 11/16 25 58 8/16 53 8/16 76 1 2/16 1 6/16 20 14/16 164 11/16 2 8/16 6 14/16 15 14/16 21 5/16 29 12/16 5 10/16 70 6" 8"
WCFX-E 24S*
[508] [1033] [1033] [1033] [635] [1486] [1359] [1930] [28] [35] [530] [4171] [17] [64] [175] [403] [542] [756] [143] [1778]
20 40 11/16 40 11/16 40 11/16 25 58 8/16 53 8/16 78 1 2/16 1 6/16 20 14/16 164 11/16 3 8/16 6 14/16 15 14/16 22 5/16 30 13/16 5 10/16 70 6" 8"
WCFX-E 27S*
[508] [1033] [1033] [1033] [635] [1486] [1359] [1980] [28] [35] [530] [4171] [17] [89] [175] [403] [567] [782] [143] [1778]

20 40 11/16 40 11/16 40 11/16 25 58 8/16 53 8/16 80 1 2/16 1 6/16 21 2/16 164 11/16 2 2/16 6 14/16 15 14/16 22 5/16 31 12/16 6 2/16 70 8" 8"
WCFX-E 30S*
[508] [1033] [1033] [1033] [635] [1486] [1359] [2032] [28] [35] [536] [4171] [17] [54] [175] [403] [567] [807] [155] [1778]
20 40 11/16 40 11/16 50 11/16 30 11/16 60 60 96 1 2/16 1 6/16 21 2/16 174 11/16 2 8 2/16 15 14/16 24 5/16 35 4/16 6 14/16 70 8" 8"
WCFX-E 36S
[508] [1033] [1033] [1287] [780] [1524] [1524] [2438] [28] [35] [536] [4425] [17] [51] [207] [403] [618] [895] [175] [1778]
20 40 11/16 40 11/16 50 11/16 30 11/16 60 60 97 1 2/16 1 6/16 21 2/16 174 11/16 1 7 6/16 15 14/16 24 5/16 36 4/16 6 14/16 70 10" 10"
WCFX-E 41S
[508] [1033] [1033] [1287] [780] [1524] [1524] [2464] [28] [35] [536] [4425] [17] [25] [187] [403] [618] [921] [175] [1778]
20 40 11/16 40 11/16 50 11/16 30 11/16 60 60 100 1 2/16 1 6/16 21 2/16 174 11/16 2 8 2/16 20 26 5/16 37 5/16 6 14/16 75 10" 10"
WCFX-E 46S
[508] [1033] [1033] [1287] [780] [1524] [1524] [2540] [28] [35] [536] [4425] [17] [51] [206] [508] [668] [947] [175] [1905]
DIMENSIONAL DATA
- 26 -
60Hz: WCFX-E 19S*, 20S*, 23S*, 24S*, 27S*, 30S*, 36S, 41S, 46S
Notes :
WCFX-E 20T 2 [51] 12 8/16 [318] 138 [3505] 6 [152] 1 8/16 [38] 12 6/16 [314] 6 10/16 [168] 83 [2108] 27 6/16 [695] 18 4/16 [464] 15 4/16 [387] 152 [3862] 5 10/16 [143] 52 6/16 [1330] 6" 6"
WCFX-E 22T 2 [51] 12 10/16 [321] 138 [3505] 6 [152] - 13 6/16 [340] 6 14/16 [175] 85 [2159] 29 4/16 [743] 19 3/16 [487] 15 4/16 [387] 152 [3866] 5 10/16 [143] 53 11/16 [1364] 6" 8"
WCFX-E 24T 2 [51] 12 10/16 [321] 138 [3505] 6 [152] - 13 6/16 [340] 6 14/16 [175] 85 [2159] 29 4/16 [743] 19 3/16 [487] 15 4/16 [387] 152 [3866] 5 10/16 [143] 53 11/16 [1364] 6" 8"
WCFX-E 27T 2 [51] 12 14/16 [327] 138 [3505] 6 [152] - 14 7/16 [367] 6 14/16 [175] 88 [2235] 29 [737] 20 3/16 [513] 15 4/16 [387] 153 [3879] 5 10/16 [143] 54 9/16 [1386] 6" 8"
WCFX-E 30T 2 [51] 18 10/16 [473] 138 [3505] 6 [152] - 14 7/16 [367] 6 14/16 [175] 88 [2235] 28 13/16 [732] 20 3/16 [513] 16 4/16 [413] 158 [4024] 6 1/16 [154] 55 9/16 [1411] 8" 8"

DIMENSIONAL DATA
60Hz: WCFX-E 20T, 22T, 24T, 27T, 30T
- 27 -
15 60 60 [ 45 24 68 8/16 78 8/16 86 14/16 1 14/16 21 2/16 197 1 8/16 2 2/16 6 14/16 17 8/16 24 5/16 31 12/16 6 2/16 75
WCFX-E 38T* 8" 8"
[381] [1524] 1524] [1143] [610] [1740] [1994] [2185] [22] [48] [537] [4997] [38] [54] [175] [445] [618] [807] [155] [1905]
15 60 60 45 24 68 8/16 78 8/16 88 14/16 1 14/16 21 2/16 197 1 8/16 2 8 2/16 20 26 5/16 35 12/16 6 14/16 80
WCFX-E 40T* 10" 10"
[381] [1524] [1524] [1143] [610] [1740] [1994] [2235] [22] [48] [537] [4997] [38] [51] [206] [508] [668] [908] [175] [2032]
15 55 55 55 26 64 8/16 64 8/16 88 14/16 1 14/16 18 14/16 197 1 8/16 2 8 2/16 20 26 5/16 35 13/16 6 14/16 80
WCFX-E 46T* 10" 10"
[381] [1397] [1397] [1397] [660] [1638] [1638] [2235] [22] [48] [480] [4997] [38] [51] [207] [508] [669] [909] [175] [2032]
15 55 55 55 26 64 8/16 64 8/16 92 14/16 1 14/16 18 14/16 197 1 8/16 3 8 2/16 20 27 5/16 36 12/16 6 14/16 80
WCFX-E 50T* 10" 10"
[381] [1397] [1397] [1397] [660] [1638] [1638] [2337] [22] [48] [480] [4997] [38] [76] [206] [508] [694] [934] [175] [2032]
15 55 55 55 26 64 8/16 64 8/16 97 14/16 1 14/16 18 14/16 197 1 8/16 3 14/16 8 14/16 20 28 5/16 39 11/16 7 6/16 80
WCFX-E 54T* 10" 10"
[381] [1397] [1397] [1397] [660] [1638] [1638] [2464] [22] [48] [480] [4997] [38] [99] [225] [508] [719] [1008] [187] [2032]
15 55 55 55 26 64 8/16 64 8/16 97 14/16 1 14/16 18 14/16 197 1 8/16 3 14/16 8 14/16 20 28 5/16 39 11/16 7 6/16 80
WCFX-E 57T* 10" 10"
[381] [1397] [1397] [1397] [660] [1638] [1638] [2464] [22] [48] [480] [4997] [38] [99] [225] [508] [719] [1008] [187] [2032]
15 55 55 55 26 64 8/16 64 8/16 97 14/16 1 14/16 18 14/16 197 1 8/16 3 14/16 8 14/16 20 28 5/16 39 11/16 7 6/16 80
WCFX-E 60T* 10" 10"
[381] [1397] [1397] [1397] [660] [1638] [1638] [2464] [22] [48] [480] [4997] [38] [99] [225] [508] [719] [1008] [187] [2032]
15 53 11/16 60 11/16 60 11/16 25 74 81 100 14/16 1 14/16 20 10/16 207 1 8/16 3 12/16 10 3/16 24 8/16 29 5/16 40 13/16 8 88
WCFX-E 73T 12" 12"

[381] [1363] [1541] [1541] [635] [1880] [2057] [2540] [22] [48] [524] [5251] [38] [95] [258] [622] [745] [1037] [203] [2235]
15 53 11/16 60 11/16 60 11/16 25 74 81 100 14/16 1 14/16 20 10/16 207 1 8/16 3 4/16 10 3/16 24 8/16 29 5/16 40 13/16 8 88
WCFX-E 75T 12" 12"
[381] [1363] [1541] [1541] [635] [1880] [2057] [2540] [22] [48] [524] [5251] [38] [83] [258] [622] [745] [1037] [203] [2235]
15 53 11/16 60 11/16 60 11/16 25 74 81 100 14/16 1 14/16 20 10/16 207 1 8/16 3 4/16 10 3/16 24 8/16 30 44 8 2/16 88
WCFX-E 81T 12" 12"
[381] [1363] [1541] [1541] [635] [1880] [2057] [2540] [22] [48] [524] [5251] [38] [83] [258] [622] [762] [1118] [207] [2235]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 97 14/16 1 14/16 20 1/16 214 1 8/16 5 4/16 10 3/16 25 8/16 32 5/16 44 8/16 9 12/16 90
WCFX-E 87T 12" 12"
[381] [1541] [1541] [1541] [635] [2290] [1826] [2464] [22] [48] [509] [5429] [38] [133] [259] [648] [821] [1131] [248] [2286]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 112 14/16 1 14/16 20 1/16 214 1 8/16 3 6/16 10 3/16 25 8/16 32 5/16 46 9 12/16 90
WCFX-E 90T 12" 12"
[381] [1541] [1541] [1541] [635] [2290] [1826] [2840] [22] [48] [509] [5429] [38] [86] [259] [648] [821] [1168] [248] [2286]
DIMENSIONAL DATA
- 28 -
60Hz: WCFX-E 38T*, 40T*, 46T*, 50T*, 54T*, 57T*, 60T*, 73T, 75T, 81T, 87T, 90T
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 95 14/16 1 14/16 20 1/16 214 1 8/16 2 15/16 8 14/16 25 8/16 28 5/16 40 11/16 8 2/16 88
WCFX-E 69* 10" 10"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2413] [22] [48] [510] [5429] [38] [74] [225] [648] [719] [1033] [207] [2235]
60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 95 14/16 1 14/16 20 1/16 214 1 8/16 3 12/16 10 3/16 25 8/16 29 5/16 41 9/16 8 2/16 88
WCFX-E 73* 15 10" 12"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2413] [22] [48] [510] [5429] [38] [95] [258] [648] [745] [1055] [207] [2235]
60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 95 14/16 1 14/16 20 1/16 214 1 8/16 3 12/16 10 3/16 25 8/16 29 5/16 41 9/16 8 2/16 88
WCFX-E 77* 15 10" 12"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2413] [22] [48] [510] [5429] [38] [95] [258] [648] [745] [1055] [207] [2235]
60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 95 14/16 1 14/16 20 1/16 214 1 8/16 4 4/16 10 3/16 25 8/16 30 5/16 41 9/16 8 2/16 88
WCFX-E 81* 15 12" 12"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2413] [22] [48] [510] [5429] [38] [108] [259] [648] [770] [1055] [207] [2235]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 95 14/16 1 14/16 20 1/16 214 1 8/16 5 4/16 10 3/16 25 8/16 32 5/16 42 8/16 8 2/16 88
WCFX-E 84* 12" 12"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2413] [22] [48] [510] [5429] [38] [133] [259] [648] [821] [1080] [207] [2235]

15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 95 14/16 1 14/16 20 1/16 214 1 8/16 5 4/16 10 3/16 25 8/16 32 5/16 42 8/16 8 2/16 88
WCFX-E 87* 12" 12"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2413] [22] [48] [510] [5429] [38] [133] [259] [648] [821] [1080] [207] [2235]
15 60 11/16 60 11/16 60 11/16 25 90 3/16 71 14/16 99 14/16 1 14/16 20 1/16 214 1 8/16 3 6/16 10 3/16 25 8/16 32 5/16 44 9 12/16 88
WCFX-E 90* 12" 12"
[381] [1541] [1541] [1541] [635] [2291] [1826] [2515] [22] [48] [510] [5429] [38] [85] [259] [648] [821] [1118] [248] [2235]
DIMENSIONAL DATA
- 29 -
60Hz: WCFX-E 69*, 73*, 77*, 81*, 84*, 87*, 90*
Notes :
Model A B C E F G HEIGHT I J K LENGTH M N O Q R S WIDTH Y (Ø) Z (Ø)
29 14/16 71 71 25 14/16 76 74 125 14/16 1 14/16 17 14/16 202 1 8/16 3 11/16 10 12/16 34 5/16 48 14/16 10 10/16 100
WCFX-E 108 14" 14"
[759] [1803] [1803] [657] [1930] [1880] [3175] [22] [48] [454] [5124] [38] [94] [273] [872] [1241] [270] [2540]
29 71 71 25 76 74 125 14/16 1 14/16 17 14/16 202 1 8/16 3 11/16 10 12/16 34 5/16 48 14/16 10 10/16 100
WCFX-E 113 14" 14"
[737] [1803] [1803] [635] [1930] [1880] [3175] [22] [48] [454] [5124] [38] [94] [273] [872] [1241] [270] [2540]
29 71 71 25 76 74 129 14/16 1 14/16 17 14/16 202 1 8/16 3 8/16 11 12/16 35 5/16 50 13/16 10 12/16 100
WCFX-E 118 14" 14"
[737] [1803] [1803] [635] [1930] [1880] [3277] [22] [48] [454] [5124] [38] [89] [298] [897] [1291] [273] [2540]
29 71 71 25 76 74 129 14/16 1 14/16 17 14/16 202 1 8/16 3 8/16 11 12/16 35 5/16 50 13/16 10 12/16 100
WCFX-E 123 14" 14"
[737] [1803] [1803] [635] [1930] [1880] [3277] [22] [48] [454] [5124] [38] [89] [298] [897] [1291] [273] [2540]

60Hz: WCFX-E 108, 113, 118, 123
DIMENSIONAL DATA
- 30 -
FLOOR LOADING DIAGRAM
50Hz
WCFX-E 10S, 12S, 15S, 19S, WCFX-E 108, 113, 118, 123
20T, 22T, 24T, 27T, 30T
WCFX-E 20S, 23S, 24S, 27S, 30S, 36S, 41S, 46S,

38T, 40T, 46T, 50T, 54T, 57T, 60T, 73T, 75T, 81T,
87T, 90T, 69, 73, 77, 81, 84, 87, 90
POINT LOAD DATA -LBS[KG]

Model Operating
P1 P2 P3 P4 P5 P6 P7 P8 P9
WCFX-E Weight
10S 3262 [1480] 1369 [621] 1043 [473] 1166 [529] - - - - - 6841 [3103]
12S 3335 [1513] 1529 [694] 1116 [506] 1289 [585] - - - - - 7269 [3293]
15S 3534 [1603] 1787 [810] 1264 [573] 1431 [650] - - - - - 8016 [3636]
19S 1043 [473] 1426 [647] 952 [432] 1310 [594] 862 [391] 1195 [542] 774 [351] 1080 [490] - 8642 [3920]
20S 1147 [520] 1456 [660] 1041 [472] 1331 [604] 934 [424] 1206 [547] 828 [375] 1082 [491] - 9026 [4094]
20T 1777 [806] 2877 [1305] 1728 [784] 2502 [1135] - - - - - 8885 [4030]
22T 1830 [830] 2963 [1344] 1782 [808] 2576 [1169] - - - - - 9151 [4151]
23S 1184 [537] 1547 [702] 1077 [488] 1414 [642] 969 [440] 1282 [582] 862 [391] 1149 [520] - 9484 [4302]
24S 1350 [612] 1939 [879] 1217 [552] 1766 [801] 1083 [491] 1593 [722] 950 [431] 1419 [644] - 11316 [5133]
24T 1832 [831] 2965 [1345] 1781 [808] 2582 [1171] - - - - - 9160 [4155]
27S 1399 [635] 2055 [932] 1265 [574] 1873 [850] 1131 [513] 1691 [767] 996 [452] 1508 [684] - 11918 [5406]
27T 1942 [881] 3144 [1426] 1889 [857] 2736 [1241] - - - - - 9711 [4405]
30S 1521 [690] 2163 [981] 1371 [622] 1970 [894] 1220 [553] 1778 [807] 1069 [485] 1598 [724] - 12690 [5756]
30T 1986 [901] 3217 [1459] 1931 [876] 2798 [1269] - - - - - 9932 [4505]
36S 1546 [701] 2316 [1051] 1454 [660] 2167 [983] 1363 [618] 2018 [915] 1272 [577] 1868 [848] - 14004 [6352]
38T 1858 [843] 2264 [1027] 1722 [781] 2114 [959] 1585 [719] 1967 [892] 1451 [658] 1821 [826] - 14782 [6705]
40T 1978 [897] 2407 [1092] 1832 [831] 2249 [1020] 1687 [765] 2092 [949] 1541 [699] 1936 [878] - 15721 [7131]
41S 1624 [736] 2449 [1111] 1527 [693] 2292 [1040] 1430 [649] 2135 [968] 1334 [605] 1978 [897] - 14769 [6699]
46S 1893 [859] 2628 [1192] 1825 [828] 2576 [1168] 1757 [797] 2524 [1145] 1690 [767] 2472 [1121] - 17364 [7876]
46T 2232 [1012] 2839 [1288] 2133 [967] 2671 [1211] 2034 [922] 2502 [1135] 1934 [877] 2334 [1059] - 18678 [8472]
50T 2332 [1058] 2945 [1336] 2224 [1009] 2770 [1256] 2117 [960] 2595 [1177] 2010 [912] 2421 [1098] - 19414 [8806]
54T 2415 [1096] 3043 [1380] 2315 [1050] 2866 [1300] 2215 [1005] 2688 [1219] 2114 [959] 2511 [1139] - 20168 [9148]
57T 2526 [1146] 3130 [1420] 2431 [1103] 2958 [1342] 2335 [1059] 2786 [1264] 2240 [1016] 2633 [1194] - 21039 [9543]
60T 2691 [1221] 3453 [1566] 2600 [1180] 3262 [1480] 2509 [1138] 3071 [1393] 2418 [1097] 2900 [1315] - 22886 [10390]
69 3388 [1537] 3964 [1798] 3139 [1424] 3726 [1690] 2891 [1311] 3488 [1582] 2642 [1198] 3251 [1474] - 26489 [12015]
73T 3399 [1542] 4055 [1840] 2940 [1334] 3721 [1688] 2481 [1126] 3386 [1536] 2023 [917] 3052 [1384] - 25056 [11365]
73 3509 [1592] 4057 [1840] 3237 [1469] 3810 [1728] 2966 [1345] 3564 [1617] 2695 [1222] 3319 [1505] - 27157 [12318]
75T 3484 [1580] 4173 [1893] 3019 [1369] 3831 [1738] 2554 [1158] 3488 [1582] 2089 [947] 3145 [1427] - 25783 [11696]
77 3599 [1632] 4148 [1882] 3326 [1509] 3898 [1768] 3053 [1385] 3647 [1654] 2779 [1261] 3397 [1541] - 27847 [12631]
81T 3808 [1727] 4890 [2218] 3322 [1507] 4500 [2041] 2837 [1287] 4109 [1864] 2351 [1066] 3720 [1687] - 29538 [13398]
81 3759 [1705] 4430 [2009] 3489 [1583] 4165 [1889] 3218 [1460] 3900 [1769] 2948 [1337] 3635 [1649] - 29544 [13401]
84 4097 [1859] 4983 [2260] 3807 [1727] 4691 [2128] 3516 [1595] 4399 [1995] 3226 [1463] 4136 [1876] - 32826 [14903]
87T 2812 [1276] 2088 [947] 3118 [1414] 3468 [1573] 3425 [1554] 4849 [2200] 3731 [1692] 6228 [2824] - 29718 [13480]
87 4214 [1911] 5116 [2321] 3921 [1778] 4817 [2185] 3628 [1645] 4519 [2050] 3334 [1512] 4250 [1928] - 33769 [15331]
90T 2377 [1078] 1726 [783] 2861 [1298] 3632 [1647] 3345 [1517] 5538 [2512] 3829 [1737] 7444 [3377] - 30750 [13948]
90 4250 [1928] 5130 [2327] 3972 [1802] 4834 [2193] 3694 [1676] 4539 [2059] 3416 [1550] 4274 [1938] - 34110 [15459]
108 4182 [1897] 4476 [2030] 4337 [1967] 4769 [2163] 4260 [1932] 4623 [2097] 4313 [1957] 4536 [2057] 4424 [2006] 39921 [18108]
113 4261 [1933] 4577 [2076] 4446 [2017] 4892 [2219] 4354 [1975] 4735 [2148] 4402 [1997] 4651 [2110] 4528 [2053] 40845 [18527]
118 4549 [2063] 4958 [2249] 4764 [2161] 5314 [2410] 4657 [2112] 5136 [2330] 4735 [2148] 5020 [2277] 4879 [2213] 44011 [19963]
123 4718 [2140] 5148 [2335] 4912 [2228] 5502 [2496] 4816 [2184] 5326 [2416] 4914 [2229] 5189 [2354] 5051 [2291] 45576 [20673]
Notes: 1.) Refer to dimensional drawings for location of mounting points.
2.) Unit must be lowered onto mounting springs in a level fashion or spring damage may occur.
3.) Data for Superior models. Consult factory for Standard and Premium model point load data.
- 31 -
FLOOR LOADING DIAGRAM
60Hz
WCFX-E 10S, 12S, 15S, 19S, WCFX-E 108, 113, 118, 123
20T, 22T, 24T, 27T, 30T
WCFX-E 20S, 23S, 24S, 27S, 30S, 36S, 41S, 46S,

38T, 40T, 46T, 50T, 54T, 57T, 60T, 73T, 75T, 81T, 87T,
90T, 69, 73, 77, 81, 84, 87, 90
POINT LOAD DATA –LBS[KG]

Model Operating
P1 P2 P3 P4 P5 P6 P7 P8 P9
WCFX-E Weight
10S 3405 [1545] 1429 [648] 1162 [527] 1220 [553] - - - - - 7216 [3273]
12S 3420 [1551] 1699 [771] 1190 [540] 1429 [649] - - - - - 7738 [3510]
15S 3808 [1727] 2138 [970] 1488 [675] 1715 [778] - - - - - 9149 [4150]
19S 1131 [513] 1545 [701] 1034 [469] 1420 [644] 935 [424] 1296 [588] 838 [380] 1171 [535] - 9370 [4254]
20S 1292 [586] 1934 [877] 1173 [532] 1764 [800] 1054 [478] 1595 [724] 935 [424] 1426 [652] - 11173 [5073]
20T 1786 [810] 2892 [1312] 1742 [790] 2518 [1142] - - - - - 8938 [4054]
22T 1940 [880] 3144 [1426] 1889 [857] 2736 [1241] - - - - - 9709 [4404]
23S 1329 [603] 2023 [918] 1210 [549] 1846 [837] 1090 [494] 1670 [757] 970 [440] 1493 [677] - 11631 [5276]
24S 1411 [640] 2106 [955] 1273 [578] 1918 [870] 1136 [515] 1731 [785] 999 [453] 1545 [700] - 12119 [5497]
24T 2094 [950] 3391 [1538] 2039 [925] 2950 [1338] - - - - - 10474 [4751]
27S 1468 [666] 2247 [1019] 1329 [603] 2049 [929] 1190 [540] 1850 [839] 1050 [476] 1651 [749] - 12833 [5821]
27T 2238 [1015] 3622 [1643] 2178 [988] 3153 [1430] - - - - - 11191 [5076]
30S 1621 [735] 2456 [1114] 1463 [664] 2238 [1015] 1305 [592] 2020 [916] 1147 [520] 1815 [823] - 14065 [6380]
30T 2482 [1126] 4019 [1823] 2414 [1095] 3495 [1585] - - - - - 12410 [5629]
36S 1709 [775] 2838 [1287] 1608 [729] 2653 [1203] 1507 [684] 2468 [1120] 1406 [638] 2283 [1036] - 16473 [7472]
38T 1936 [878] 2357 [1069] 1793 [813] 2202 [999] 1651 [749] 2048 [929] 1510 [685] 1896 [860] - 15393 [6982]
40T 2348 [1065] 2859 [1297] 2176 [987] 2672 [1212] 2004 [909] 2485 [1127] 1832 [831] 2297 [1042] - 18673 [8470]
41S 1813 [822] 3055 [1386] 1705 [773] 2856 [1296] 1597 [725] 2658 [1205] 1489 [676] 2459 [1115] - 17633 [7998]
46S 2026 [919] 2980 [1352] 1954 [886] 2924 [1326] 1883 [854] 2867 [1300] 1811 [821] 2811 [1275] - 19255 [8734]
46T 2337 [1060] 3057 [1387] 2233 [1013] 2875 [1304] 2129 [966] 2694 [1222] 2025 [919] 2513 [1140] - 19864 [9010]
50T 2521 [1144] 3385 [1536] 2403 [1090] 3181 [1443] 2285 [1036] 2976 [1350] 2166 [983] 2772 [1257] - 21689 [9838]
54T 2696 [1223] 3713 [1684] 2579 [1170] 3489 [1583] 2461 [1116] 3265 [1481] 2343 [1063] 3040 [1380] - 23587 [10699]
57T 2811 [1275] 3809 [1728] 2698 [1224] 3590 [1628] 2585 [1173] 3371 [1529] 2472 [1121] 3174 [1430] - 24509 [11107]
60T 2888 [1310] 3897 [1768] 2786 [1264] 3677 [1668] 2684 [1218] 3456 [1568] 2582 [1171] 3258 [1478] - 25230 [11444]
69 3589 [1628] 4396 [1994] 3330 [1511] 4133 [1875] 3072 [1393] 3869 [1755] 2813 [1276] 3606 [1635] - 28808 [13067]
73T 3733 [1694] 4850 [2200] 3255 [1476] 4464 [2025] 2777 [1259] 4077 [1849] 2298 [1042] 3691 [1674] - 29145 [13220]
73 3910 [1774] 4973 [2256] 3616 [1640] 4670 [2118] 3322 [1507] 4366 [1981] 3029 [1374] 4063 [1843] - 31949 [14492]
75T 3840 [1742] 5012 [2274] 3354 [1521] 4615 [2094] 2868 [1301] 4219 [1914] 2382 [1080] 3822 [1734] - 30111 [13658]
77 3983 [1807] 5033 [2283] 3688 [1673] 4727 [2144] 3393 [1539] 4421 [2005] 3098 [1405] 4116 [1867] - 32459 [14723]
81T 4082 [1852] 5504 [2497] 3582 [1625] 5076 [2302] 3082 [1398] 4647 [2108] 2582 [1171] 4219 [1913] - 32774 [14866]
81 4205 [1908] 5454 [2474] 3910 [1773] 5125 [2325] 3614 [1639] 4796 [2175] 3318 [1505] 4466 [2025] - 34888 [15825]
84 4441 [2014] 5750 [2608] 4132 [1874] 5411 [2454] 3823 [1734] 5072 [2300] 3514 [1594] 4764 [2161] - 36905 [16740]
87T 2870 [1302] 2294 [1041] 3281 [1488] 4055 [1839] 3691 [1674] 5817 [2639] 4101 [1860] 7578 [3437] 33687 [15280]
87 4538 [2059] 5845 [2651] 4228 [1918] 5502 [2496] 3917 [1777] 5158 [2340] 3606 [1636] 4849 [2199] - 37642 [17074]
90T 2620 [1188] 2100 [953] 3260 [1479] 4348 [1972] 3900 [1769] 6595 [2991] 4541 [2060] 8843 [4011] - 36207 [16423]
90 4659 [2113] 6050 [2744] 4358 [1977] 5698 [2585] 4058 [1841] 5346 [2425] 3758 [1704] 5030 [2281] - 38956 [17670]
108 4596 [2085] 4993 [2265] 4795 [2175] 5348 [2426] 4696 [2130] 5171 [2345] 4776 [2166] 5053 [2292] 4914 [2229] 44342 [20113]
113 4713 [2138] 5141 [2332] 4946 [2243] 5523 [2505] 4830 [2191] 5332 [2419] 4908 [2226] 5215 [2366] 5062 [2296] 45669 [20715]
118 5150 [2336] 5729 [2598] 5430 [2463] 6176 [2801] 5290 [2400] 5953 [2700] 5419 [2458] 5785 [2624] 5601 [2540] 50532 [22921]
123 5322 [2414] 5919 [2685] 5581 [2532] 6363 [2886] 5452 [2473] 6141 [2786] 5599 [2540] 5955 [2701] 5776 [2619] 52108 [23636]
Notes: 1.) Refer to dimensional drawings for location of mounting points.
2.) Unit must be lowered onto mounting springs in a level fashion or spring damage may occur.
- 32 -
TYPICAL WIRING SCHEMATIC
Two Compressors Unit (Vision 2020i)
- 33 -
APPLICATION DATA
EVAPORATOR FLUID CIRCUIT GLYCOL FREEZE PROTECTION
The evaporator fluid circuit requires a minimum system If the chiller or fluid piping may be exposed to
fluid volume of 3 US gallons per Ton [3.3 liters/ cooling temperatures below freezing, glycol protection is
kW] for stable operation. The minimum system fluid recommended if the water is not drained. The
volume may increasing up to 10 US gallons per Ton [11 recommended protection is 10°F [5.6°C] below the
liters/ cooling kW] for process cooling, low load minimum ambient temperature in the equipment room
applications with small temperature range and/or vastly and around piping. Use only glycol solutions approved
fluctuating load conditions. for heat exchanger duty. DO NOT use automotive anti-
freezing.
Variable Evaporator Flow If the equipment is being used for applications below
Dunham-Bush chillers are capable for variable 38°F [3.3°C], glycol should be used to prevent freeze
evaporator flow system. The chiller may operate to damage. The freeze protection level should be 15°F
maintain constant leaving fluid temperature with [8.3°C] lower than the leaving brine temperature.
evaporator flow rate changes, with below conditions
fulfilled. Table 1 and 2 are to be used to calculate performance
D Evaporator fluid flow rate is within minimum and and power input with the addition of glycol.
maximum flow rate of the unit at all time during the
operation Table 1 : Ethylene Glycol
D Rate of flow changed shall not exceeded 10% per % E. G.
By
Freeze Point C1
Capacity
K1
kW-input
G1
Flow
P1
P.D.
minute Weight °F °C Factor Factor Factor Factor
Failure to comply with the above conditions will cause 10 26.2 -3.2 0.995 0.998 1.019 1.050
problem to the chiller operation and may cause the 15 22.4 -5.3 0.991 0.997 1.030 1.083
20 17.8 -7.9 0.988 0.996 1.044 1.121
chiller to shutdown.
25 12.6 -10.8 0.984 0.995 1.060 1.170
30 6.7 -14.1 0.981 0.994 1.077 1.219
Operating Limits - Leaving Evaporator 35 0.0 -17.8 0.977 0.992 1.097 1.275
Fluid Temperature 40 -10.0 -23.3 0.973 0.991 1.116 1.331
45 -17.5 -27.5 0.968 0.990 1.138 1.398
Leaving Fluid Temperature Minimum Maximum
50 -28.9 -33.8 0.964 0.989 1.161 1.466
Standard 40 oF [4.5 oC] 55 oF [12.8 oC]
With Dual Mode Operation 18 oF [-7.8 oC] 55 oF [12.8 oC]
Table 2 : Propylene Glycol
Performance Correction- Evaporator % P. G.
By
Freeze Point C2
Capacity
K2
kW-input
G2
Flow
P2
P.D.
Fouling Factor Weight °F °C Factor Factor Factor Factor
10 26.1 -3.3 0.988 0.994 1.005 1.019
Fouling Factor Capacity kW-input
Correction Correction 15 22.8 -5.1 0.984 0.992 1.008 1.031
hr.ft².°F/BTU m².°C/kW Factor Factor 20 19.1 -7.2 0.978 0.990 1.010 1.051
0.00010 0.018 1.000 1.000 25 14.5 -9.7 0.970 0.988 1.015 1.081
0.00025 0.044 0.995 0.998 30 8.9 -12.8 0.962 0.986 1.021 1.120
0.00050 0.088 0.985 0.995 Note: P.D. – Pressure drop vessels across
0.00075 0.132 0.975 0.991
0.00100 0.176 0.964 0.987
HEAT RECOVERY
The Dunham-Bush WCFX-E Chiller can significantly
CONDENSER FLUID CIRCUIT reduce building operating costs when the heat recovery
The unit shall works with constant condenser flow, option is selected. Any building which requires
variable condenser flow is not recommended. Variable simultaneous heating and cooling may be an excellent
condenser flow will keep condenser pressure high at candidate for this system.
the chiller, and thus, decreases chiller’s efficiency and
increase power consumption of the system. In addition, Hotter Hot Water
variable condenser flow increases rate of fouling of Most centrifugal water chillers are limited in producing
condenser, which will de-rating chiller performance and leaving condenser water temperatures to 105°F[40°C]
increases unit maintenance cost.
or below. Dunham-Bush WCFX-E Chillers are able to
The unit can be operated with condenser inlet water
provide leaving hot water temperatures up 140°F[60°C]
temperature above 55°F up to 105°F. If the unit is
allowing for the installation of smaller heating coils at a
required to operates with condenser inlet water
lower first cost than systems utilizing centrifugal water
temperature lower than 55°F, a bypass control at
condenser water loop is recommended to maintain chillers. The warmer supply air temperatures available
condenser inlet water temperature is always higher will also improve tenant comfort.
than 55°F.
Lower Energy Consumption
Performance Correction - Condenser The efficient unloading characteristics of the Dunham-
Fouling Factor Bush WCFX-E Chiller compressor make it ideal for heat
Fouling Factor Capacity kW-input recovery duty. Heat recovery chillers must be selected
Correction Correction to operate at many operating conditions, not just full
hr.ft².°F/BTU m².°C/kW Factor Factor
load heating and full load cooling duties. Heat recovery
0.00025 0.044 1.000 1.000
0.00050 0.088 0.998 1.007
chillers spend the majority of their time at lower loads,
0.00075 0.132 0.996 1.010 conditions at which centrifugal chillers must often be
0.00100 0.176 0.995 1.014 operating with energy inefficient hot gas bypass.
- 34 -
APPLICATION DATA
Greater Design Flexibility therefore, the capacity. If this occurs faster than the
machine can accommodate it, the condenser pressure
The heat recovery Dunham-Bush WCFX-E Chiller,
or evaporator pressure will soon exceed their safety
utilizes positive displacement compressor which will not
setpoints and the machine will shut down.
surge. This chiller is capable of unloading its
compressors to their minimum capacity at all head The necessary control can sometimes be attained via
conditions, both cooling and heat recovery, for greater fan cycling if the tower is rated at the same capacity as
design flexibility. the chiller’s heat rejection. On multiple chiller jobs, a
single tower is oversized relative to the chiller. On other
In order to maximize the user’s flexibility on design and
jobs the tower/chiller might be oversized to the design
operation, Dunham-Bush chillers offer two heat
load and the chiller and tower frequently cycle under
recovery designs.
light load. Under these conditions, fan cycling might
Desuperheater: A shell-and-tube desuperheater is result in very rapid temperature swings, which creates a
installed at chiller to reclaim “waste” heat from dynamic situation to condenser, that potentially cause
superheated refrigerant produced by the vapor unstable operation. Thus, in this case, either variable
compression cycle. speed fans or modulating valve control should be used
to regain control of the condenser water. Either type of
Double-Bundle Condenser: Double-bundle
control provides precise modulating control of the
condenser with two sets of water connectors allow
condenser water rather than on-off step control. The
connections to hot water loop and cooling tower water
control can be initiated either by a condenser water
loop simultaneously. Double-Bundle condenser is rated
temperature sensor/controller or, even better, by direct
at 300 psig [20.7Bar] working pressure on refrigerant
control from the chiller's controller based upon the
side, and is pressure test up to 330 psig [22.8 Bar] in
chiller's condenser pressure.
the factory. This design reclaims “waste” heats
generated by vapor compression cycle, and full heat It is further recommended that the condenser water
reclaim can be done with this design. Condenser pump be cycled by the chiller. This is to eliminate
thermal insulation is can be included to provide heat potentially very cold water from going through the
insulation on double-bundle condenser and discharge condenser while the chiller is shut down. At the same
piping. The 1” thick closed cell insulation will reduce time it is probable that relatively warmer chilled water is
heat losses during heat recovery operation, and in the evaporator (an inversion). Refrigerant tends to
prevent unpleasant human contact with hot surface. migrate if there is a difference in pressures within the
components of the chiller. It will seek the lowest
To further improve the operational flexibility, for units
pressure area of the packaged chiller which, in this
with full heat recovery design, priority on controlled
case, would be the condenser. Starting of a chiller
temperature can be selected through a digital input
where the refrigerant has migrated to the condenser is
signal. When “Heating Mode” contact is closed,
not desirable. The presence of highly subcooled liquid
controlled temperature will switch from leaving
refrigerant in the condenser will cause low suction
evaporator water temperature to leaving condenser
pressures and possibly liquid slugging of the
water temperature; thus, the unit is now operated as a
compressor. If the condenser water pump is off until
heat pump. This control function is available when
prior to the chiller starts, the water in the condenser is
Condenser Water Pump Control & Complete
at the chiller room ambient, which is usually much
Temperature Monitoring options are included together
closer to the evaporator water temperature.
with double-bundle condenser option.
Further to condenser pump control, a 0-10 Vdc analog
signal can be output from the chiller’s controller to
bypass some of the condenser water flow to maintain
CONDENSER PRESSURE chiller’s condenser pressure. Cooling tower fans control
CONTROL is also available to achieve better system efficiency.
Cooling tower control is increasingly becoming an Thus, even though there has been a trend toward fan
overlooked subject, and it causes problems. The cycling control of cooling towers, it is not a device that
following is a general recommendation that is is suitable to every installation. We recommend that the
applicable to all standard packaged chillers. designer carefully evaluate the system to determine if a
more precise method of control is indicated. If there is
Most chiller manufacturers recommend that condenser
any doubt, the more precise control is required.
water be controlled so that its temperature never goes
below 55°F [12.8°C] (even when the machine is off) Dunham-Bush WCFX-E Chillers have as standard a
and that its rate of change is not rapid. Rapid can be control feature called EPCAS (Evaporator Pressure
defined as not exceeding 2°F [1.1°C] per minute. This Control at Start) which will allow for an inverted start.
is necessary because a chiller operates in a dynamic This occurs when the chilled water loop in a building is
environment and is designed to maintain a precise at a higher temperature than the condenser/tower loop.
leaving chilled water temperature under varying This occurs in many buildings after a weekend shut
entering chilled water conditions. The additional down. The chilled water loop can be as high as 90°F
dynamic of rapidly varying condenser water and the condenser/tower loop as low as 60°F. With the
temperature subjects the machine to fluctuating EPCAS feature, the valve feeding the evaporator will
pressure on differentials across the evaporator and be throttled to create a pressure differential to help load
condenser. This varies the refrigerant flow and, the compressor.
- 35 -
APPLICATION DATA
demand to be shifted to low-demand nighttime periods,
ICE THERMAL STORAGE thus reducing demand charges for the entire year.
SYSTEM (ITES) Energy Cost: ITES, by operating chillers at night, will
fully utilize incentive on electricity night tariff, which is
The globe is progressively marching towards a serious
much lower compare to day tariff.
electric energy crisis. The HVAC/R industry is shifting
to operate with more efficient machines, as well as Rebates: ITES usually qualifies for rebates offered by
alternate system designs and solutions. Dunham-Bush, electric utilities or governments for equipment that shift
as a leader of HVAC/R solutions provider, we provide peak loads to off-peak hours.
packaged solution for ITES, which include, equipments Colder Air Temperature: ITES can produce chilled
selections, chillers, Ice Cels and CPM for ITES system liquid at supply temperature of 38°F [3.3°C] or even
controls. lower without scarifying system’s efficiencies. This
Dunham-Bush WCFX-E Chillers, with positive realizes energy saving on chilled water pumping
displacement rotary screw compressor can easily cool system, AHUs and FCUs. Colder supply air distribution
low temperature glycol down to 20°F [-6.7 oC] to charge lowers room humidity, and thus, comfort cooling can be
the ice storage tanks. The same chiller can also achieved with higher room temperature. This reduce air
produce warmer supply fluid temperature, 40 to 45 oF conditioning load required, and therefore, reduces the
[4.4 to 7.2 oC], for those building systems designed for installation cost and system operating cost.
only peak shaving. Standby Cooling Capacity: Energy stored in ITES can
Dunham-Bush is the only HVAC/R manufacturer who be utilized to cater peak or unexpected loads which
can provide complete ITES packaged solution, with exceeded total cooling capacity available from the
own products for chillers, ice storage tanks and plant installed chillers. This is savior to the regions which
room control system, with following benefits. having difficulties on power generation plants
expansion, where with ITES, will significantly reduced
Demand Charge: ITES allows some of the peak
total demand of the buildings.
GUIDE SPECIFICATIONS
hr.sq.ft.°F/BTU [0.000044m².°C/W] for the water
SCOPE condenser and 0.0001 hr.sq.ft.°F/BTU [0.0000176
Supply and commissioning of complete factory m².°C/W] for evaporator. Water pressure drop at design
assembled water cooled rotary screw chiller(s). The conditions shall not exceed ___________ feet of water
rotary screw chiller(s) shall contain rotary screw through the condenser, and ____________ feet of
compressor(s), evaporator, condenser, interconnecting water through the evaporator.
refrigerant piping, electronic expansion valve, control
panel, chilled liquid connections, condenser water QUALITY ASSURANCE
connections. The control panel shall be fully wired by
D Chiller performance shall be certified by AHRI as
the manufacturer connecting & interlocking controller,
per AHRI 550/590 standard latest edition.
starter, electrical protection devices with electrical
D [Optional] ASHRAE Standard 15 safety code for
power and control connections. Packaged chiller shall
be factory assembled, charged and tested with a full mechanical refrigeration
operating refrigerant and oil charge. The refrigerant D ASME standard B31.5 for Refrigerant piping
type shall be R134a. and shall not have phasing out D Vessels shall be fabricated and pressure tested in
schedule. compliance with ASME Boiler and Pressure vessel
code, Section VIII, Division 1 “Unfired Pressure
Capacity of each chiller shall be not less than
Vessels”
_________refrigerant tons (kW output) cooling at
D [Optional] JKKP code for vessels required in
________ USGPM (liters/min.) of water from
_______°F[°C] to ________°F[°C]. Power input Malaysia market place.
requirements for the unit(s), incorporating all D [Optional] PED certification required in Europe
appurtenances necessary for unit operation, including market place
but not limited to the control accessories and pumps, if D Manufacturer shall have experience of minimum 10
required, shall not exceed _______kW input at design years in manufacturing water cooled screw chillers
conditions. The unit shall be able to unload to _____% in their facility.
of cooling (refrigeration) capacity when operating with D Unit shall be manufactured in ISO9001 registered
leaving chilled water and entering condenser water at manufacturing facility.
design temperatures. The unit shall be capable of D Factory run test: Chiller shall be pressure tested,
continuous operation at this point, with stable evacuated and fully charged with refrigerant and oil.
compressor operation, without the use of hot gas The chiller shall be run tested with water flowing
bypass. through the vessels.
Heat transfer surfaces shall be selected to reflect the D Manufacturer shall have a service organization with
incorporation of a fouling factor of 0.00025 trained service personal.
- 36 -
OPERATING REQUIREMENT Code for Unfired Pressure Vessels. Evaporator shell

side shall undergo pneumatic pressure test at 220psi,
The unit shall be capable of starting up with entering shall be designed for working pressure upto 200psi.
fluid temperature to the cooler at 95°F. Unit shall be Tube side shall undergo hydrostatic pressure test at
able to operate with 3-phase 50Hz/60Hz with unit rated 195psi, shall be designed for 150psi working pressure.
voltage +/- 10%. Control Volatge shall be
115V/1ph/50Hz or 115V/1ph/60Hz. The flooded evaporator shall have an efficient and
reliable oil recovery system. The oil recovery system
will insure the evaporator is operating at peak efficiency
COMPRESSOR AND MOTOR at all times and provide optimal energy efficiency during
The packaged chiller shall be furnished with single- extended periods of part load. Units without such oil
stage hermetic direct connected positive displacement recovery systems will not be acceptable.
rotary screw compressor(s) as required, driven by a All low temperature surfaces shall be factory insulated
2900 RPM (3500 RPM-60Hz) 2 pole motor. Each with 25mm thk Polyethylene resin having K factor of
compressor shall include integral oil separation system, 0.26 btu-in / hr – ft² – °F
oil sump and oil filter. The oil differential pressure shall
be controlled during operation to maintain proper oil
lubrication throughout the lubrication system. An CONDENSER
electric oil heater shall be supplied with each Condenser vessel shall be cleanable shell and tube .
compressor to maintain oil temperature during Shell shall be fabricated from rolled carbon steel sheet
shutdown period. The heater shall be energized when with fusion welded seams or carbon steel standard
the chiller is switched off. Each compressor shall have pipes. End plates shall be of carbon steel with precision
a sight glass, suction check valve, suction filter, suction drilling, reamed in order to accommodate tubes.
service valve, a discharge check valve (for multiple Intermediate tube support shall be in place to provide
compressor chillers) and a discharge service valve. required tube support between tube sheets. Tubes
Compressor capacity control shall be obtained by an shall be of copper, seamless, high efficient, internally
electrically initiated, hydraulically actuated slide valve enhanced and externally finned, mechanically
within each compressor. (Provide isolation valves on all expanded into fixed steel tube sheets. Tube dia shall
connections to compressor to allow condenser to be be ¾ inch and thickness shall be 0.025 inch. Water box
used as a pump down receiver). The bearing shall be shall be removable for tube cleaning, shall have
heavy duty, anti-friction tapered roller type, anti- stubout water connections with victaulic grooves in
reverse, shall be able to carry both radial and thrust compliance to ANSI / AWWAC-606. They are to be
loads. available in one, two or three pass design as required
The compressor motor shall be hermetic refrigerant gas on the drawings. Vent and drain plugs are to be
cooled, 2 pole, squirrel cage induction type with class H provided in water box. The shell side of the condenser
insulation. Motor winding shall have thermistors shall have pressure relief valve with provision for
embedded in the motor windings to protect motor from refrigerant venting. Condenser refrigerant side shall be
over heating. The thermistors shall be wired to the solid designed, constructed in accordance with the ASME
state motor protection module. Code for Unfired Pressure Vessels. Condenser shell
side shall undergo pneumatic pressure test at 220psi,
shall be designed for working pressure upto 200psi.
EVAPORATOR Tube side shall undergo hydrostatic pressure test at
Evaporator vessel shall be cleanable shell and tube, 195psi, shall be designed for 150psi working pressure.
flooded type. Shell shall be fabricated from rolled The condenser shall be sized for full pump down
carbon steel sheet with fusion welded seams or carbon capacity.
steel standard pipes. End plates shall be of carbon
steel with precision drilling, reamed in order to
accommodate tubes. Intermediate tube support shall REFRIGERANT CIRCUIT
be in place to provide required tube support between The refrigerant circuit shall include suction and
tube sheets. Tubes shall be of copper, seamless, high discharge service valves (which facilitate compressor
efficient, internally enhanced and externally finned, isolation), oil filter, replaceable filter drier on oil return
mechanically expanded into fixed steel tube sheets. line, sight glass on liquid line, economizer, pressure
Tube dia shall be ¾ inch and thickness shall be 0.025 relief valves on the cooler and condenser, liquid line
inch. The flooded evaporator shall have a built in angle valve for refrigerant charging. The packaged
distributor for feeding refrigerant evenly under the tube chiller shall be furnished with an electronic expansion
bundle to produce a uniform boiling action and baffle valve for precise modulation of refrigerant flow control
plates shall be provided to ensure vapor separation. and improve efficiency by optimizing the suction and
Water box shall be removable for tube cleaning, shall discharge superheat while protecting compressor. In
have stubout water connections with victaulic grooves addition, the refrigerant control system shall monitor the
in compliance to ANSI / AWWAC-606. They are to be liquid refrigerant level in the flooded evaporator and
available in one, two or three pass design as required restrict refrigerant flow entering the evaporator upon a
on the drawings. Vent and drain plugs are to be rise in the level, protecting the compressor from
provided in water box. The shell side of the evaporator slugging liquid refrigerant. Fixed orifice control systems
shall have pressure relief valve with provision for will not be acceptable. (Option Hot gas bypass shall be
refrigerant venting. Evaporators refrigerant side shall factory installed for operation down to approximately
be designed, constructed in accordance with the ASME 10% of full load.)
- 37 -
OIL MANAGEMENT physical buttons and touch keys enable user to access
information, based on security level of password. There
The chiller package shall ensure proper lubrication shall be min three level of password for operator,
during the operation in order to have prolonged service personnel and for the critical manufacturer
compressor life as well as maintaining system settings in order to protect the chiller controller from
efficiency. An efficient Pressure differential lubrication unauthorized access.
system shall be provided with oil filter, sight glass, oil
sump and oil sump heater. The oil heater shall be The controller board shall be provided with a set of
energized during the chiller switched off to prevent oil terminals that connected to various devices such as
from dilution. Oil pump is not acceptable. temperature sensors, pressure transducers, current
transducers, solenoid valves, compressor contactors,
electronic expansion valve, controls relays. The
ELECTRICAL AND CONTROL PANEL controller should be able to configured and connected
The electrical switch gears, controller, control sensors multiple unit that allow sequencing control without
and relays shall be housed in NEMA-1 panel. The additional hardware. The controller shall be able to
panel casing shall be of galvanized steel with powder carry out all program operations, It shall be able to
coating for corrosion resistance. The panel shall be display unit operating parameters, compressor
divided into two separate compartments or shall have information, alarm history and shall able to modify the
two separate panels to house power and control parameters.
devices separately. The controller shall be able to carry out its own
diagnose test on the controller and the connected
ELECTRICAL POWER PANEL devices and alarm messages shall be displayed
The chiller manufacturer shall provide suitable part automatically on faulty devices.
winding starter for the compressor motor in order to All messages shall be displayed in English language.
minimize the starting current. The starter shall be shall be displayed either in Imperial or SI units.
factory mounted, wired to the motor and controller. The Leaving chilled water temperature control shall be
starter shall be able to provide adequate starting torque accomplished by entering the water temperature set
and the required acceleration for the compressor during point with accuracy to 0.8°F and placing the controller
starting. automatic control mode. The controller shall monitor all
NEMA-1 electrical panel compartment shall include: control functions and move the compressor slide valve
to the calibrated position. The compressor loading
D Main incoming power terminal block suitable to
cycle shall be programmable and shall be adjusted to
receive single entry of three phase 3-wire power
the building load requirement. The loading adjustable
supply with specified voltage. range shall be from 0.1% to 0.4% per increment to
D Circuit breakers for each compressor prevent excessive demand hike at start up.
D Solid state compressor motor over Current The controller shall continuously monitor evaporator
protection module for each phase leaving water temperature, rate of change of chilled
D Solid state compressor motor overheat protection water leaving temperature, evaporator and condenser
module pressure; compressor amp draw; and discharge
D Under/over voltage phase reversal and imbalance refrigerant temperature.
relay. The controller shall be complete with all hardware and
D [Optional] Ground fault interrupter. software necessary to enable remote monitoring of all
The compressor starter contactors and circuit breakers data through the addition of an optional web card if
shall be wired securely to the main incoming terminal accessing the controller via web or network cards if
block. Solid state external compressor over load linking chiller to the Building Management Systems.
protector, over heating protection modules, over/under The controller shall be complete with a RS485 long
voltage phase relay shall be interlocked with the distance differential communications port, the remote
compressor starter contactors to provide adequate connection shall be established by a twisted pair of
protection to the compressor motor. wire. The controller shall also accept a remote start and
stop signal, 0 to 5VDC [optional], chilled water
temperature reset signal [optional] and 0 to 5VDC
CONTROL PANEL compressor current limit reset signal [optional].
The packaged chiller shall be equipped with stand The electrical control panel shall be wired to permit fully
along proactive advance controller which adapts to automatic operation during - initial start-up, normal
abnormal operation conditions. The unit algorithm operation, and shutdown conditions. The control
program and operating parameters shall be stored in system shall contain the following control, displays and
flash-memory. Battery back-up is not acceptable. 115V safety devices:
Power supply to the controller shall be provided by a
control transformer provided with the panel. External MANUAL CONTROLS
power source to the controller is not acceptable. The
controller shall be equipped with a user friendly D Auto/Local/Remote switch
terminal with color touch screen LED back lit graphical D Control circuit stop and start switches
display and dedicated touch keys that provides easy D Compressor enable switch
access to the unit operating parameters, control set D Compressor over current
points and alarm history. There shall be dedicated D Compressor anti-recycle
- 38 -
D Programmable with Seven day operation cycle D Low differential pressure
D [Optional] chilled liquid and condenser water pump D Compressor run error
on/off control D Power loss
D [Optional] dual mode operation to produce Ice at D Sensor error
21F-26F for Ice thermal energy systems D Refrigerant loss
D Reverse rotation
AUTOMATIC CONTROLS Controller shall be able to retain upto 99 alarm
D Compressor motor increment contactors conditions complete with time of failure and all critical
D Start delay timer sensor readings. This aids service technicians in their
D Anti-recycle timer trouble shooting task enabling downtime and nuisance
D Oil sump heater interlock relays trip-outs to be minimized.
REFRIGERANT FLOW CONTROLS DELIVERY, STORAGE AND HANDLING

D Refrigerant flow control shall be carried out Unit shall be delivered to job site fully assembled with
electronically by a precision electronic expansion all interconnecting refrigerant piping and internal wiring
valve ready for field installation and charged with refrigerant
D Liquid refrigerant level sensor for evaporator and oil by manufacturer. When delivered, machine shall
D Compressor loading and unloading solenoid valves be stored indoors, away from construction dirt, dust ,
moisture or any other hazardous material that would
INDICATOR LIGHTS harm the chillers. Inspect under shipping tarps, bags, or
crates to be sure there is no water collected during
D Compressor Motor high temperature transit. Protective shipping covers shall be kept with the
D Compressor motor overload unit until machine is ready for installation.
D System common alarm
The control system shall be provided with an anti- WARRANTY
recycle device. The control shall limit compressor
Chiller manufacturer’s warranty shall cover for 12
starting to a minimum of 15 minutes between starts.
months from the date of start-up or 18 months from the
date of shipment whichever is first. The start-up shall
SYSTEM OPERATION INFORMATION be carried out by a authorized service personnel and
The chiller display shall provide following operating the warranty is limited to part replacement excluding
information labor and consumables such as refrigerant, oil & filter
driers etc.
D Leaving chilled water temperature
D Leaving chilled water temperature derivative
D Evaporator pressure
D Condenser pressure EXECUTION
D Compressor amps draw for each compressor
D Operating supply Voltage [optional] INSTALLATION
D Compressor elapsed run time of each compressor
Chiller shall be installed strictly according to
D Compressor start status
manufacturer’s recommendations as stipulated in the
D Oil level sensor status installation manual, drawings and tender documents.
D Water temperature re-set value [optional] Care should be taken to provide necessary service
D Water flow switch status clearance as required in the manufacturer’s drawing.
D External start/stop command status Install the strainers at the inlet to the evaporator to
D Trend graph for leaving chilled water temp prevent debris or other particles entering to the
D Percentage of compressor capacity evaporator during piping work and initial flushing the
D Electronic expansion valve percentage of opening. system. Required coordination to be done with the
electrical contractor and the control contractors to
SAFETY PROTECTIONS ensure electrical supply and required communications
links are established.
D Short circuit protection.
D Compressor motor over load protection (3 phase)
D Compressor motor overheat protection START-UP/COMMISSIONING
D High discharge temperature protection Chiller shall be commissioned by a service
D Under voltage phase failure relay representative from manufacturer or by their local
D Low oil level protection via optical sensor representative. The service personnel shall be trained
D High condenser pressure and authorized by the manufacturer for start up of the
D Low evaporator pressure supplied units. The start-up shall include briefing
D Freeze protection (low chilled liquid leaving operators on chiller operations and maintenance as
temperature ) well.
D Chilled water flow loss
- 39 -

DB WCFX-E-R134a-50-60Hz

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INTRODUCTION

Water-Cooled Chiller Blank =Standard

Compact, quiet MSC Controller for precise

Economizer to Bolted construction

VISION 2020i CONTROLLER D Condenser pressure

OPTIONS AND ACCESSORIES

Electrical And Controls Factory Supplied, Field Installed

REFRIGERATION CYCLE This delivers outstanding efficiency and total energy

Model WCFX-E 23S* 24S* 24T 27S* 27T 30S* 30T

Model WCFX-E 54T* 57T* 60T* 69* 73T 73* 75T

Model WCFX-E 90T 90* 108 113 118 123

Model WCFX-E 23S* 24S* 24T 27S* 27T 30S* 30T

Model WCFX-E 54T* 57T* 60T* 69* 73T 73* 75T

Model WCFX-E 90T 90* 108 113 118 123

10S 200 100 1210(1) 74(1) 269(1) 403(1)

12S 300 100 1212(1) 99(1) 372(1) 559(1)

15S 400 200 1215(1) 123(1) 408(1) 611(1)

19S 300 200 1220(1) 120(1) 388(1) 582(1)

20S 400 200 1222(1) 146(1) 474(1) 711(1)

23S 400 200 1222(1) 146(1) 474(1) 711(1)

24S 500 200 1227(1) 183(1) 584(1) 876(1)

27S 500 200 1227(1) 183(1) 584(1) 876(1)

30S 600 300 1230(1) 213(1) 645(1) 968(1)

36S 700 300 2233(1) 246(1) 874(1) 1311(1)

38T 500 300 1220(2) 119.7(2) 387.9(2) 581.8(2)

40T 600 400 1222(2) 146.3(2) 474.0(2) 711.7(2)

41S 800 400 2236(1) 294(1) 1153(1) 1730(1)

46S 800 443 2246(1) 354(1) 794(1) 2016(1)

46T 600 400 1222(2) 146(2) 474(2) 711(2)

54T 800 500 1227(2) 183(2) 584(2) 876(2)

60T 900 600 1230(2) 213(2) 645(2) 968(2)

69 800 600 1222(3) 146(3) 474(3) 711(3)

73T 1000 600 2233(2) 246(2) 874(2) 1311(2)

81 1000 700 1227(3) 183(3) 584(3) 876(3)

81T 1200 700 2236(2) 294(2) 1153(2) 1730(2)

87T 1200 900 2246(2) 385(2) 1343(2) 2016(2)

90T 800 649 2246(2) 288(2) 956(2) 2122(2)

90 1200 800 1230(3) 213(3) 645(3) 968(3)

108 1300 900 2233(3) 246(3) 874(3) 1311(3)

123 1600 1100 2236(3) 294(3) 1153(3) 1730(3)

Note: RLA – Rated Load Amps LRA – Locked Rotor Amps

10S 175 99 1210(1) 79(1) 200(1) 435(1)

12S 225 124 1212(1) 99(1) 252(1) 603(1)

15S 250 149 1215(1) 119(1) 325(1) 661(1)

19S 350 184 1220(1) 147(1) 302(1) 733(1)

20S 400 225 1222(1) 180(1) 302(1) 733(1)

20T 250 178 1210(2) 79(2) 200(2) 435(2)

23S 400 225 1222(1) 180(1) 302(1) 733(1)

24S 450 264 1227(1) 211(1) 394(1) 904(1)

24T 300 223 1212(2) 99(2) 252(2) 603(2)

27S 450 264 1227(1) 211(1) 394(1) 904(1)

30S 500 295 1230(1) 236(1) 476(1) 999(1)

30T 400 268 1215(2) 119(2) 325(2) 661(2)

36S 600 343 2233(1) 274(1) 610(1) 1334(1)

38T 500 331 1220(2) 147(2) 302(2) 733(2)

40T 600 405 1222(2) 180(2) 302(2) 733(2)

41S 700 393 2236(1) 314(1) 719(1) 1760(1)

46S 800 466 2246(1) 373(1) 836(1) 2122(1)

46T 600 405 1222(2) 180(2) 302(2) 733(2)

54T 700 475 1227(2) 211(2) 394(2) 904(2)